Partner, Holtzman Vogel Baran Torchinsky & Josefiak PLLC
Abhishek (Abhi) Kambli is a partner at Holtzman Vogel who represents clients in high-stakes appellate and complex litigation, constitutional challenges, and matters involving state attorneys general and federal agencies. He is one of a handful of lawyers nationally who has both led federal litigation from inside the Department of Justice and multi-state coalition work from a State Attorney General’s office—giving clients a 360-degree perspective on government enforcement, regulatory challenges, and constitutional advocacy.
Prior to joining Holtzman Vogel, Abhi served as Deputy Associate Attorney General at the United States Department of Justice, where he acted as lead counsel in high-priority matters for the Trump Administration, oversaw the Department’s civil components on behalf of the Associate Attorney General, advised the White House Counsel’s Office and federal agencies on litigation risk and strategy, and developed the Department’s national affirmative civil litigation strategy.
Earlier, he served as Deputy Attorney General and Division Chief of the Special Litigation and Constitutional Issues Division at the Kansas Attorney General’s Office, where he launched the division and led multi-state coalitions in trial and appellate courts nationwide, including the United States Supreme Court. He began his career as an Assistant United States Attorney in the Southern District of Indiana, prosecuting more than 100 federal cases from investigation through appeal.
Abhi is also a Lieutenant Colonel in the United States Air Force Judge Advocate General's Corps, having served on active duty and in the reserves since 2013. His military service includes criminal trials as both prosecutor and defense attorney, appellate representation before the Court of Appeals for the Armed Forces, and representation of a high-profile detainee before the Military Commissions at Guantánamo Bay.
Attorney and Legal Commentator
John Shu is an attorney and legal commentator. His focus areas include constitutional law, securities & corporate law, antitrust law, administrative law, politics, and international affairs. Mr. Shu has lectured and published on a wide variety of issues.
Mr. Shu served President George H.W. Bush and President George W. Bush. He also served Judge Stanley Sporkin, U.S. District Court for the District of Columbia, who was Director of Enforcement at the U.S. Securities & Exchange Commission and General Counsel at the Central Intelligence Agency, and Judge Paul Roney, U.S. Court of Appeals for the Eleventh Circuit, who was Presiding Judge of the Foreign Intelligence Surveillance Court of Review.
Mr. Shu is a member of the National Committee on U.S. - China Relations, the Pacific Council on International Policy, and the Foreign Policy Association.
Partner, Secil Law
John Irving brings nearly three decades of experience in white collar criminal defense, government investigations, and high-stakes congressional and corporate inquiries. A former federal prosecutor and trusted advisor within the U.S. Department of Justice and the Environmental Protection Agency, John is known for his calm under pressure, strategic clarity, and unwavering discretion.
His clients have included Members of Congress, senior executives, political appointees, and corporate entities navigating complex criminal, civil, and regulatory matters—including matters that have dominated national headlines. John’s practice today is defined by sophisticated representation in sensitive investigations, classified matters, and strategic crisis response—often involving multiple enforcement authorities.
John served for over a decade in the U.S. Department of Justice, including as an Assistant U.S. Attorney in Washington, D.C., where he prosecuted a wide range of criminal cases and appeared regularly in court. He later served as Counsel to two Deputy Attorneys General and as Counsel to the Assistant Attorney General of DOJ’s Environment and Natural Resources Division, advising on departmental policy and enforcement matters at the highest levels.
Prior to his tenure at DOJ, John served as Investigative Counsel to the (then-named) U.S. House Committee on Government Reform & Oversight and as an Associate Independent Counsel in the investigation of former HUD Secretary Henry Cisneros.
Before joining SECIL Law, John was a Partner at E&W Law, a boutique firm focused on environmental and white-collar litigation, and previously spent over a decade at Holland & Knight LLP in Washington, D.C. There, he was a key member of the firm’s White-Collar Defense, Investigations & Compliance team.
His private practice experience includes:
John’s clients appreciate his deep fluency in government processes, his strategic precision in high-pressure moments, and his ability to quietly resolve matters that others cannot.
Partner, King & Spalding LLP
Granta Nakayama specializes in energy and environmental issues. A partner in our Environmental practice with a focus on energy, Granta represents companies in a range of regulatory and enforcement matters.
With training as a nuclear engineer and more than a decade of experience as a practicing engineer and technical manager, Granta represents clients with products or services regulated by the Environmental Protection Agency (EPA) and Consumer Product Safety Commission (CPSC), along with state government agencies such as the California Air Resources Board. He defends companies in enforcement actions and litigation involving regulations and rate proceedings, and represents their interests in agency rulemakings and Congressional matters.
From 2005 to 2009, Granta served as Assistant Administrator for the EPA Office of Enforcement and Compliance Assurance. In that role, he led 3,400 employees in a national enforcement and compliance program covering air, water, waste, toxic chemicals and pesticides. During his tenure, EPA achieved record annual pollutant reductions (more than 3 billion pounds) and injunctive relief (over $11 billion).
The National Law Journal has recognized Granta as a 2016 "Energy and Environmental Trailblazer." He has been listed by The Legal 500 every year since 2010, and was recognized as a "Hall of Famer" in both the environmental litigation and regulatory and the rail and road litigation and regulatory sections in 2020. He has also been ranked in each edition of Chambers USA since 2010.
Partner, Sidley Austin LLP
JUSTIN SAVAGE is a global co-leader of the firm’s Environmental, Health, and Safety practice and co-leads the Automotive and Mobility sector team, where he is a leading strategist for companies navigating the intersection of complex regulation, high-stakes litigation, and transformative industry change. For nearly three decades, he has led clients through their most consequential environmental, health, and safety (EH&S) disputes and mobility-sector challenges, earning a reputation as both a trusted counselor and a forceful advocate in the courtroom and the boardroom. A core part of Justin’s practice also focuses on regulatory strategy and market entry, advising emerging technology companies, new market entrants, and established industry leaders on launching new products, technologies, and business models. He regularly counsel clients in emerging fields such as robotics and AI on engaging with regulators, anticipating enforcement and compliance risk, and building defensible regulatory strategies that support growth rather than slow it.
Clients praise Justin as “an excellent litigator… strategically clever and creative… attentive, thoughtful and willing to go above and beyond” (Chambers USA 2025). Chambers USA has ranked him for Band 1 for Environment in District of Columbia (2017–2025) and Band 3 for Transportation: Road (Automotive) in USA—Nationwide (2023–2025).
Justin has won some of the most closely watched EH&S and transportation disputes of the past two decades and guided companies through crises where business continuity, brand reputation, and regulatory survival were on the line. His leadership has been repeatedly recognized: he is a three-time Law360 Environmental “MVP” (2018, 2024, 2025) and a Lawdragon “500 Global Leaders in Crisis Management” (2025-2026). He is the first call for companies facing bet-the-company challenges.
Justin’s clients concentrate in heavily regulated industries, including auto and mobility, aviation, chemicals, data centers, energy, mining, and refining. Justin litigates and counsels across the spectrum of U.S. environmental, transportation, and administrative laws, including the Clean Air Act (Title I, mobile sources, and fuels), incident response, RMP, NHTSA, Clean Water Act, TSCA, CSB investigations, APA claims, FOIA litigation, NEPA, and the Safe Drinking Water Act.
Prior to joining Sidley, Justin served for nearly a decade at the Environmental Enforcement Section of the U.S. Department of Justice, where he led teams in several multi-billion dollar enforcement cases. In his career, Justin has regularly taught on a range of environmental and litigation topics. For several years, Justin served as an instructor at the Justice Department’s National Advocacy Center where he taught hundreds of Assistant U.S. Attorneys and other agency lawyers on topics that included trial advocacy and evidence. Since rejoining private practice, Justin has served eight times as a faculty member for the American Law Institute’s Environmental Litigation program. He also lectured on a range of litigation and trial topics for bar associations and organizations, including serving as an instructor for the FAA on trial advocacy.
Judge, United States Court of Appeals, District of Columbia Circuit
Judge Katsas was appointed to the D.C. Circuit in December 2017. He graduated from Princeton University and Harvard Law School, where he was an executive editor on the Harvard Law Review. Between 1989 and 1992, he served as a law clerk to Judge Edward Becker on the Third Circuit, to then-Judge Clarence Thomas on the D.C. Circuit, and to Justice Thomas on the Supreme Court. Between 1992 and 2001, he was an associate and then partner in the Washington office of Jones Day, where he specialized in appellate and complex civil litigation. Between 2001 and 2009, he served in many senior positions in the Department of Justice, including as Assistant Attorney General for the Civil Division and as Acting Associate Attorney General. In 2009, he returned to Jones Day. From January to December 2017, he served as Deputy Assistant to the President and Deputy Counsel to the President.
Before joining the bench, Judge Katsas argued more than 75 appeals, including three cases in the Supreme Court, 13 cases in the D.C. Circuit, and cases in every other federal court of appeals. By appointment of the Chief Justice, he served on the Advisory Committee on Appellate Rules from 2013 to 2017. In 2016, he was elected to membership in the American Academy of Appellate Lawyers.
Partner, Jones Day
Don McGahn represents clients before government agencies, in enforcement matters, and in court disputes arising from government regulation or action. He handles litigation, crisis management, regulatory compliance, and political issues.
Prior to rejoining Jones Day in 2019, Don served as Counsel to the President of the United States, advising Donald J. Trump on all legal issues concerning the President and his administration, including constitutional and statutory authority, executive orders, international agreements, tariffs, trade, administrative law, and national security. Don also managed the judicial selection process for the President. During Don's tenure, a historic number of judges were appointed to the federal bench, including two Supreme Court justices. In addition, he spearheaded President Trump's deregulation efforts, which resulted in deregulation at record rates. Following Don's departure from the White House, the President appointed him to the Council of the Administrative Conference of the United States, a nonpartisan, independent agency dedicated to promoting improvement to administrative agency processes.
Don's accomplishments have been recognized at the highest levels of government. Senate Majority Leader Mitch McConnell stated that Don concluded his tenure "not only as the best White House Counsel I've seen on the job, but more broadly, as one of the most successful and consequential aides to any President in recent memory."
Don was nominated by President George W. Bush in 2008, and confirmed in the Senate by unanimous consent, to serve as a member of the Federal Election Commission. He also served as outside Counsel to the Committee on House Administration during the 113th and 114th Congresses and as general counsel to the National Republican Congressional Committee.
Chief of Staff and Acting Associate Attorney General, U.S. Department of Justice
Chad R. Mizelle is the Chief of Staff and Acting Associate Attorney General of the Department of Justice. Previously, Chad was the Chief Legal Officer at Affinity Partners, a global private equity firm with more than $4B under management. Before that Chad worked at Jones Day, where his practice focused on government regulation and national security issues. Previously, Chad served as the Acting General Counsel at the Department of Homeland Security, where he managed more than 2,200 lawyers. As the top lawyer at DHS, Chad directed all legal activities related to the Agency’s broad mission. Prior to serving as Acting General Counsel, Chad served as the Chief of Staff at DHS. He also served at the White House as Associate Counsel to the President and at the Department of Justice as Counsel to the Deputy Attorney General. Chad clerked for the Honorable David B. Sentelle of the D.C. Circuit. He received his J.D. from Cornell Law School and his B.A. from the University of Florida. Chad and his wife Kat reside in Tampa, Florida with their two kids.
Senior Fellow, Potomac Institute for Policy Studies
Dean Cheng currently a Senior Fellow at the Potomac Institute for Policy Studies, specializing in the US relationship with China. Prior to being with the Potomac institute, he recently retired as the Senior Research Fellow for Chinese Political and Military Affairs at the Heritage Foundation. He is fluent in Chinese, and uses Chinese language materials regularly in his work. Previously, he worked with the China Studies Division (previously, Project Asia) at the Center for Naval Analysis, a Federally Funded Research and Development Center, where he specialized in Chinese military issues, with a focus on Chinese military doctrine and Chinese space capabilities. Before that, he worked for Science Applications International Corporation (SAIC), and as an analyst with the US Congress’ Office of Technology Assessment in the International Security and Space Division.
His published work includes the volume Cyber Dragon: Inside China’s Information Warfare and Cyber Operations (Praeger Publishing, 2016). He has testified before Congress, and spoken at the National Space Symposium, the US National Defense University, the USSTRATCOM Deterrence Symposium, Harvard, and MIT. He has appeared frequently in print and broadcast media to discuss Chinese space and military activities.
General Counsel, TechFreedom
James Dunstan serves as the General Counsel to TechFreedom. Jim has served as a Senior Adjunct Fellow to TechFreedom since its inception. Jim has more than 37 years of private practice experience in a technology-focused practice, including telecommunications, media, computer game, and outer space law. Jim spent 17 years at the telecom boutique firm Haley Bader & Potts (10 years in management), and headed the Telecommunications and Information Technology Group at Garvey, Schubert & Barer from 2000-2006. Jim founded his own firm, Mobius Legal Group, in 2010; he continues that private practice (on matters not in conflict with TechFreedom’s work) while serving as TechFreedom’s General Counsel.
Jim’s career includes being on the legal team that won the first cellular radio license for MCI in 1984, writing the constitutional challenge to the FCC’s Fairness Doctrine that took down the Doctrine in Syracuse Peace Council v. FCC, 867 F.2d 654 (1989), and helping shape the FCC’s children’s television rules on behalf of a client which produces the majority of educational programming for the major television networks. He litigated the first “virtual property” case and drafted and negotiated the first lease for a manned space station (Mir) as well as writing the first contract that was actually executed in outer space.
At TechFreedom, Jim’s substantive portfolio includes FCC regulation, the Children’s Online Protection and Privacy Act (COPPA), and all things outer space. As General Counsel, he oversees the entire legal team, and participates in TechFreedom’s robust appellate litigation team.
Jim was the 1978 Harry S. Truman Scholar from Arizona, is a graduate of Claremont McKenna College (1980), and the Georgetown University Law Center (1983). He is admitted to practice law in the District of Columbia and the Commonwealth of Virginia. Jim holds multiple patents for innovative computer input devices and has a number of patents pending in the field of computer game devices and methods. Jim is an avid musician, playing French horn in the Fairfax Wind Symphony, and with the Silver 5 Brass Quintet.
Senior Fellow, Asian Military Affairs, International Assessment and Strategy Center
Mr. Richard D. Fisher, Jr. is a Senior Fellow with the International Assessment and Strategy Center. He has previously worked with the Center for Security Policy, Jamestown Foundation China Brief, U.S. House of Representatives Republican Policy Committee, and The Heritage Foundation. Mr. Fisher has previously testified on aspects of China’s strategic challenge before the United States Senate, the House of Representatives and the U.S.-China Economic and Security Review Commission. He is the author of China’s Military Modernization, Building for Regional and Global Reach (Praeger, 2008, Stanford University Press, 2010, Taiwan Ministry of National Defense translation, 2012). His articles have been published in the Jane’s Intelligence Review, Jane’s Defence Weekly, Aviation Week and Space Technology, Armed Forces Journal, Far Eastern Economic Review, Asian Wall Street Journal, The Washington Times, The Sankei Shimbun, World Airpower Review and Air Forces Monthly. He received a B.A. (Honors) in 1981 from Eisenhower College.
Senior Litigation Counsel, New Civil Liberties Alliance
Margaret Harker litigates for a public interest law firm. She has significant experience in government investigations and litigation, having served in the three branches of our government. Previously, she led complex Congressional investigations for the House Committee on Oversight and Government Reform—including the only government-wide investigation into federal agencies’ strategy (or lack thereof) to counter Chinese Communist Party political warfare against America.
Prior to her time on Capitol Hill, Harker served in the U.S. Department of Justice. She was an Assistant United States Attorney in both the Eastern District of Tennessee and the Eastern District of Virginia. She was a Trial Attorney in the National Security Division, Counterintelligence and Export Control Section, with an emphasis on the administration and enforcement of the Foreign Agents Registration Act.
Harker clerked for the Honorable Henry E. Hudson, U.S. District Court for the Eastern District of Virginia and the Honorable Randolph A. Beales, Court of Appeals of Virginia.
Earlier in her career, she studied in Beijing, China, and worked at the U.S. Chamber of Commerce’s China Center.
Senior Fellow, Potomac Institute for Policy Studies
Dean Cheng currently a Senior Fellow at the Potomac Institute for Policy Studies, specializing in the US relationship with China. Prior to being with the Potomac institute, he recently retired as the Senior Research Fellow for Chinese Political and Military Affairs at the Heritage Foundation. He is fluent in Chinese, and uses Chinese language materials regularly in his work. Previously, he worked with the China Studies Division (previously, Project Asia) at the Center for Naval Analysis, a Federally Funded Research and Development Center, where he specialized in Chinese military issues, with a focus on Chinese military doctrine and Chinese space capabilities. Before that, he worked for Science Applications International Corporation (SAIC), and as an analyst with the US Congress’ Office of Technology Assessment in the International Security and Space Division.
His published work includes the volume Cyber Dragon: Inside China’s Information Warfare and Cyber Operations (Praeger Publishing, 2016). He has testified before Congress, and spoken at the National Space Symposium, the US National Defense University, the USSTRATCOM Deterrence Symposium, Harvard, and MIT. He has appeared frequently in print and broadcast media to discuss Chinese space and military activities.
General Counsel, TechFreedom
James Dunstan serves as the General Counsel to TechFreedom. Jim has served as a Senior Adjunct Fellow to TechFreedom since its inception. Jim has more than 37 years of private practice experience in a technology-focused practice, including telecommunications, media, computer game, and outer space law. Jim spent 17 years at the telecom boutique firm Haley Bader & Potts (10 years in management), and headed the Telecommunications and Information Technology Group at Garvey, Schubert & Barer from 2000-2006. Jim founded his own firm, Mobius Legal Group, in 2010; he continues that private practice (on matters not in conflict with TechFreedom’s work) while serving as TechFreedom’s General Counsel.
Jim’s career includes being on the legal team that won the first cellular radio license for MCI in 1984, writing the constitutional challenge to the FCC’s Fairness Doctrine that took down the Doctrine in Syracuse Peace Council v. FCC, 867 F.2d 654 (1989), and helping shape the FCC’s children’s television rules on behalf of a client which produces the majority of educational programming for the major television networks. He litigated the first “virtual property” case and drafted and negotiated the first lease for a manned space station (Mir) as well as writing the first contract that was actually executed in outer space.
At TechFreedom, Jim’s substantive portfolio includes FCC regulation, the Children’s Online Protection and Privacy Act (COPPA), and all things outer space. As General Counsel, he oversees the entire legal team, and participates in TechFreedom’s robust appellate litigation team.
Jim was the 1978 Harry S. Truman Scholar from Arizona, is a graduate of Claremont McKenna College (1980), and the Georgetown University Law Center (1983). He is admitted to practice law in the District of Columbia and the Commonwealth of Virginia. Jim holds multiple patents for innovative computer input devices and has a number of patents pending in the field of computer game devices and methods. Jim is an avid musician, playing French horn in the Fairfax Wind Symphony, and with the Silver 5 Brass Quintet.
Senior Fellow, Asian Military Affairs, International Assessment and Strategy Center
Mr. Richard D. Fisher, Jr. is a Senior Fellow with the International Assessment and Strategy Center. He has previously worked with the Center for Security Policy, Jamestown Foundation China Brief, U.S. House of Representatives Republican Policy Committee, and The Heritage Foundation. Mr. Fisher has previously testified on aspects of China’s strategic challenge before the United States Senate, the House of Representatives and the U.S.-China Economic and Security Review Commission. He is the author of China’s Military Modernization, Building for Regional and Global Reach (Praeger, 2008, Stanford University Press, 2010, Taiwan Ministry of National Defense translation, 2012). His articles have been published in the Jane’s Intelligence Review, Jane’s Defence Weekly, Aviation Week and Space Technology, Armed Forces Journal, Far Eastern Economic Review, Asian Wall Street Journal, The Washington Times, The Sankei Shimbun, World Airpower Review and Air Forces Monthly. He received a B.A. (Honors) in 1981 from Eisenhower College.
Senior Litigation Counsel, New Civil Liberties Alliance
Margaret Harker litigates for a public interest law firm. She has significant experience in government investigations and litigation, having served in the three branches of our government. Previously, she led complex Congressional investigations for the House Committee on Oversight and Government Reform—including the only government-wide investigation into federal agencies’ strategy (or lack thereof) to counter Chinese Communist Party political warfare against America.
Prior to her time on Capitol Hill, Harker served in the U.S. Department of Justice. She was an Assistant United States Attorney in both the Eastern District of Tennessee and the Eastern District of Virginia. She was a Trial Attorney in the National Security Division, Counterintelligence and Export Control Section, with an emphasis on the administration and enforcement of the Foreign Agents Registration Act.
Harker clerked for the Honorable Henry E. Hudson, U.S. District Court for the Eastern District of Virginia and the Honorable Randolph A. Beales, Court of Appeals of Virginia.
Earlier in her career, she studied in Beijing, China, and worked at the U.S. Chamber of Commerce’s China Center.
Partner, Secil Law
John Irving brings nearly three decades of experience in white collar criminal defense, government investigations, and high-stakes congressional and corporate inquiries. A former federal prosecutor and trusted advisor within the U.S. Department of Justice and the Environmental Protection Agency, John is known for his calm under pressure, strategic clarity, and unwavering discretion.
His clients have included Members of Congress, senior executives, political appointees, and corporate entities navigating complex criminal, civil, and regulatory matters—including matters that have dominated national headlines. John’s practice today is defined by sophisticated representation in sensitive investigations, classified matters, and strategic crisis response—often involving multiple enforcement authorities.
John served for over a decade in the U.S. Department of Justice, including as an Assistant U.S. Attorney in Washington, D.C., where he prosecuted a wide range of criminal cases and appeared regularly in court. He later served as Counsel to two Deputy Attorneys General and as Counsel to the Assistant Attorney General of DOJ’s Environment and Natural Resources Division, advising on departmental policy and enforcement matters at the highest levels.
Prior to his tenure at DOJ, John served as Investigative Counsel to the (then-named) U.S. House Committee on Government Reform & Oversight and as an Associate Independent Counsel in the investigation of former HUD Secretary Henry Cisneros.
Before joining SECIL Law, John was a Partner at E&W Law, a boutique firm focused on environmental and white-collar litigation, and previously spent over a decade at Holland & Knight LLP in Washington, D.C. There, he was a key member of the firm’s White-Collar Defense, Investigations & Compliance team.
His private practice experience includes:
John’s clients appreciate his deep fluency in government processes, his strategic precision in high-pressure moments, and his ability to quietly resolve matters that others cannot.
Partner, King & Spalding LLP
Granta Nakayama specializes in energy and environmental issues. A partner in our Environmental practice with a focus on energy, Granta represents companies in a range of regulatory and enforcement matters.
With training as a nuclear engineer and more than a decade of experience as a practicing engineer and technical manager, Granta represents clients with products or services regulated by the Environmental Protection Agency (EPA) and Consumer Product Safety Commission (CPSC), along with state government agencies such as the California Air Resources Board. He defends companies in enforcement actions and litigation involving regulations and rate proceedings, and represents their interests in agency rulemakings and Congressional matters.
From 2005 to 2009, Granta served as Assistant Administrator for the EPA Office of Enforcement and Compliance Assurance. In that role, he led 3,400 employees in a national enforcement and compliance program covering air, water, waste, toxic chemicals and pesticides. During his tenure, EPA achieved record annual pollutant reductions (more than 3 billion pounds) and injunctive relief (over $11 billion).
The National Law Journal has recognized Granta as a 2016 "Energy and Environmental Trailblazer." He has been listed by The Legal 500 every year since 2010, and was recognized as a "Hall of Famer" in both the environmental litigation and regulatory and the rail and road litigation and regulatory sections in 2020. He has also been ranked in each edition of Chambers USA since 2010.
Partner, Sidley Austin LLP
JUSTIN SAVAGE is a global co-leader of the firm’s Environmental, Health, and Safety practice and co-leads the Automotive and Mobility sector team, where he is a leading strategist for companies navigating the intersection of complex regulation, high-stakes litigation, and transformative industry change. For nearly three decades, he has led clients through their most consequential environmental, health, and safety (EH&S) disputes and mobility-sector challenges, earning a reputation as both a trusted counselor and a forceful advocate in the courtroom and the boardroom. A core part of Justin’s practice also focuses on regulatory strategy and market entry, advising emerging technology companies, new market entrants, and established industry leaders on launching new products, technologies, and business models. He regularly counsel clients in emerging fields such as robotics and AI on engaging with regulators, anticipating enforcement and compliance risk, and building defensible regulatory strategies that support growth rather than slow it.
Clients praise Justin as “an excellent litigator… strategically clever and creative… attentive, thoughtful and willing to go above and beyond” (Chambers USA 2025). Chambers USA has ranked him for Band 1 for Environment in District of Columbia (2017–2025) and Band 3 for Transportation: Road (Automotive) in USA—Nationwide (2023–2025).
Justin has won some of the most closely watched EH&S and transportation disputes of the past two decades and guided companies through crises where business continuity, brand reputation, and regulatory survival were on the line. His leadership has been repeatedly recognized: he is a three-time Law360 Environmental “MVP” (2018, 2024, 2025) and a Lawdragon “500 Global Leaders in Crisis Management” (2025-2026). He is the first call for companies facing bet-the-company challenges.
Justin’s clients concentrate in heavily regulated industries, including auto and mobility, aviation, chemicals, data centers, energy, mining, and refining. Justin litigates and counsels across the spectrum of U.S. environmental, transportation, and administrative laws, including the Clean Air Act (Title I, mobile sources, and fuels), incident response, RMP, NHTSA, Clean Water Act, TSCA, CSB investigations, APA claims, FOIA litigation, NEPA, and the Safe Drinking Water Act.
Prior to joining Sidley, Justin served for nearly a decade at the Environmental Enforcement Section of the U.S. Department of Justice, where he led teams in several multi-billion dollar enforcement cases. In his career, Justin has regularly taught on a range of environmental and litigation topics. For several years, Justin served as an instructor at the Justice Department’s National Advocacy Center where he taught hundreds of Assistant U.S. Attorneys and other agency lawyers on topics that included trial advocacy and evidence. Since rejoining private practice, Justin has served eight times as a faculty member for the American Law Institute’s Environmental Litigation program. He also lectured on a range of litigation and trial topics for bar associations and organizations, including serving as an instructor for the FAA on trial advocacy.
Partner, Secil Law
John Irving brings nearly three decades of experience in white collar criminal defense, government investigations, and high-stakes congressional and corporate inquiries. A former federal prosecutor and trusted advisor within the U.S. Department of Justice and the Environmental Protection Agency, John is known for his calm under pressure, strategic clarity, and unwavering discretion.
His clients have included Members of Congress, senior executives, political appointees, and corporate entities navigating complex criminal, civil, and regulatory matters—including matters that have dominated national headlines. John’s practice today is defined by sophisticated representation in sensitive investigations, classified matters, and strategic crisis response—often involving multiple enforcement authorities.
John served for over a decade in the U.S. Department of Justice, including as an Assistant U.S. Attorney in Washington, D.C., where he prosecuted a wide range of criminal cases and appeared regularly in court. He later served as Counsel to two Deputy Attorneys General and as Counsel to the Assistant Attorney General of DOJ’s Environment and Natural Resources Division, advising on departmental policy and enforcement matters at the highest levels.
Prior to his tenure at DOJ, John served as Investigative Counsel to the (then-named) U.S. House Committee on Government Reform & Oversight and as an Associate Independent Counsel in the investigation of former HUD Secretary Henry Cisneros.
Before joining SECIL Law, John was a Partner at E&W Law, a boutique firm focused on environmental and white-collar litigation, and previously spent over a decade at Holland & Knight LLP in Washington, D.C. There, he was a key member of the firm’s White-Collar Defense, Investigations & Compliance team.
His private practice experience includes:
John’s clients appreciate his deep fluency in government processes, his strategic precision in high-pressure moments, and his ability to quietly resolve matters that others cannot.
Partner, King & Spalding LLP
Granta Nakayama specializes in energy and environmental issues. A partner in our Environmental practice with a focus on energy, Granta represents companies in a range of regulatory and enforcement matters.
With training as a nuclear engineer and more than a decade of experience as a practicing engineer and technical manager, Granta represents clients with products or services regulated by the Environmental Protection Agency (EPA) and Consumer Product Safety Commission (CPSC), along with state government agencies such as the California Air Resources Board. He defends companies in enforcement actions and litigation involving regulations and rate proceedings, and represents their interests in agency rulemakings and Congressional matters.
From 2005 to 2009, Granta served as Assistant Administrator for the EPA Office of Enforcement and Compliance Assurance. In that role, he led 3,400 employees in a national enforcement and compliance program covering air, water, waste, toxic chemicals and pesticides. During his tenure, EPA achieved record annual pollutant reductions (more than 3 billion pounds) and injunctive relief (over $11 billion).
The National Law Journal has recognized Granta as a 2016 "Energy and Environmental Trailblazer." He has been listed by The Legal 500 every year since 2010, and was recognized as a "Hall of Famer" in both the environmental litigation and regulatory and the rail and road litigation and regulatory sections in 2020. He has also been ranked in each edition of Chambers USA since 2010.
Partner, Sidley Austin LLP
JUSTIN SAVAGE is a global co-leader of the firm’s Environmental, Health, and Safety practice and co-leads the Automotive and Mobility sector team, where he is a leading strategist for companies navigating the intersection of complex regulation, high-stakes litigation, and transformative industry change. For nearly three decades, he has led clients through their most consequential environmental, health, and safety (EH&S) disputes and mobility-sector challenges, earning a reputation as both a trusted counselor and a forceful advocate in the courtroom and the boardroom. A core part of Justin’s practice also focuses on regulatory strategy and market entry, advising emerging technology companies, new market entrants, and established industry leaders on launching new products, technologies, and business models. He regularly counsel clients in emerging fields such as robotics and AI on engaging with regulators, anticipating enforcement and compliance risk, and building defensible regulatory strategies that support growth rather than slow it.
Clients praise Justin as “an excellent litigator… strategically clever and creative… attentive, thoughtful and willing to go above and beyond” (Chambers USA 2025). Chambers USA has ranked him for Band 1 for Environment in District of Columbia (2017–2025) and Band 3 for Transportation: Road (Automotive) in USA—Nationwide (2023–2025).
Justin has won some of the most closely watched EH&S and transportation disputes of the past two decades and guided companies through crises where business continuity, brand reputation, and regulatory survival were on the line. His leadership has been repeatedly recognized: he is a three-time Law360 Environmental “MVP” (2018, 2024, 2025) and a Lawdragon “500 Global Leaders in Crisis Management” (2025-2026). He is the first call for companies facing bet-the-company challenges.
Justin’s clients concentrate in heavily regulated industries, including auto and mobility, aviation, chemicals, data centers, energy, mining, and refining. Justin litigates and counsels across the spectrum of U.S. environmental, transportation, and administrative laws, including the Clean Air Act (Title I, mobile sources, and fuels), incident response, RMP, NHTSA, Clean Water Act, TSCA, CSB investigations, APA claims, FOIA litigation, NEPA, and the Safe Drinking Water Act.
Prior to joining Sidley, Justin served for nearly a decade at the Environmental Enforcement Section of the U.S. Department of Justice, where he led teams in several multi-billion dollar enforcement cases. In his career, Justin has regularly taught on a range of environmental and litigation topics. For several years, Justin served as an instructor at the Justice Department’s National Advocacy Center where he taught hundreds of Assistant U.S. Attorneys and other agency lawyers on topics that included trial advocacy and evidence. Since rejoining private practice, Justin has served eight times as a faculty member for the American Law Institute’s Environmental Litigation program. He also lectured on a range of litigation and trial topics for bar associations and organizations, including serving as an instructor for the FAA on trial advocacy.
Fireside Chat on the BigLaw EOs with Abhishek Kambli and John Shu
Orange County Lawyer Chapter
Irvine, CASalon Dinner with Brett Shumate and Trent McCotter
Washington, DCPlenary Session 2: Unitary Executive & Administrative Agencies– Who’s in Charge?
Featuring: Mr. Samuel Adkisson, Associate Counsel to the President, White House Counsel's Office Hon. Daniel Burrows,...
Welcome & Opening Remarks
Featuring: Hon. Stanley E. Woodward Jr., Associate Attorney General, U.S. Department of Justice
Race to a Moon Base—And Frontiers Beyond
Dean Cheng, James Dunstan, Richard D. Fisher, Margaret Harker
As Artemis II navigated around the far side of the moon, setting a new human...
Race to a Moon Base—And Frontiers Beyond
Dean Cheng, James Dunstan, Richard D. Fisher, Margaret Harker
As Artemis II navigated around the far side of the moon, setting a new human...
Clearing the Air: Recent Trump Administration Reforms to Environmental Criminal Enforcement
John Irving, Granta Nakayama, Justin Savage
With the growth of the administrative state over the last half-century, an equal expansion has...
Clearing the Air: Recent Trump Administration Reforms to Environmental Criminal Enforcement
John Irving, Granta Nakayama, Justin Savage
With the growth of the administrative state over the last half-century, an equal expansion has...
Clearing the Air: Recent Trump Administration Reforms to Environmental Criminal Enforcement
An Evening with Judge Greg Katsas and Don McGahn: A Rapid-Fire Roundtable
Tampa Bay Lawyer Chapter
Tampa, FL