President, Becket Fund for Religious Liberty; Professor of Law and Co-Director of the Center for Religious Liberty, Catholic University; Visiting Professor, Harvard Law School
Mark joined the Becket team in 2011 and splits his time as Associate Professor at The Catholic University of America, Columbus School of Law, and as Visiting Professor at Harvard Law School. Mark teaches constitutional law, religious liberty, torts, and evidence. He has been voted Teacher of the Year three years in a row by the Law School’s Student Bar Association.
Mark has broad experience litigating First Amendment religious exercise and free speech cases. He has represented the winning parties in a variety of Supreme Court First Amendment cases including Hobby Lobby, Little Sisters, Wheaton College, and Holt. In January 2014, Mark argued before the Supreme Court in McCullen v. Coakley, a First Amendment challenge to a Massachusetts speech restriction outside of abortion clinics. The Justices ruled in favor of his clients 9-0. Mark also led a successful eight-year litigation battle against Governor Blagojevich’s effort to force religious pharmacists to distribute the morning-after and week-after pills.
Mark’s academic writing focuses on the First and Fourteenth Amendments, and has appeared in a variety of prestigious journals, including the Harvard Law Review.
Mark is a widely sought after speaker on constitutional issues, particularly concerning abortion and the First Amendment. Professor Rienzi has been invited to discuss these issues at Harvard Law School, Columbia University Law School, Georgetown University Law Center, Boston College Law School, Notre Dame Law School, the National Press Club, and the Capitol. He has been quoted on constitutional law issues on NPR, in the Washington Times, The New York Daily News, and the Chicago Sun-Times. Mark has also been featured on the Kelly File, Fox News Sunday, Your World with Neil Cavuto, Geraldo at Large, CNN Tonight, CNN Live, Andrea Mitchell Reports, and Wall Street Journal Live.
Prior to joining Becket, Mark served as counsel for the litigation department and the intellectual property litigation practice group of WilmerHale LLP. His practice focused on complex civil and appellate litigation with a particular emphasis on intellectual property and First Amendment issues. Prior to joining WilmerHale, he served as law clerk to the Hon. Stephen F. Williams, senior circuit judge for the U.S. Court of Appeals for the D.C. Circuit. Prior to that, Mark was an editor of the Harvard Law Review, and earned his J.D. from Harvard Law School and B.A. from Princeton University, both with honors.
Founder & CEO of The Hargan Group
Eric D. Hargan is the Founder and CEO of The Hargan Group, a healthcare consulting firm. Eric previously served as the Deputy Secretary of the Department of Health and Human Services (HHS) from 2017 to 2021; he also served as Acting Secretary for several months in 2017-2018. HHS is the largest department in the federal government and has an annual budget of more than $1.3 trillion and over 80,000 employees across 26 divisions. As Deputy Secretary, he oversaw the development and approval of all HHS, CMS and FDA regulations and significant guidances, as well as the day-to-day operations and management of the department, and he led policy and strategy development. From 2003 to 2007, Mr. Hargan also served at HHS in a variety of capacities, including holding the position of Acting Deputy Secretary.
Senior Counsel, First Liberty Institute
Stephanie N. Taub serves as Senior Counsel with First Liberty Institute, focusing on litigation, appellate advocacy, and legal education.
While at First Liberty, her article on the rights of faith-based organizations under Title VII of the Civil Rights Act of 1964 has been published in the Texas Review of Law and Politics. She has also authored pieces published in National Review, the Daily Signal, the Washington Times, the Des Moines Register, and the New York Daily News. In 2017, Taub was named one of 15 recipients of the James Wilson Fellowship in natural law.
Before joining First Liberty, Taub worked as a law clerk to the Honorable Reed O’Connor in the U.S. District Court of the Northern District of Texas.
Taub is a Harvard Law School graduate in the class of 2014 and a Blackstone Fellow in the class of 2012. During law school, she served as Co-President of the HLS Christian Fellowship and Managing Technical Editor of the Harvard Human Rights Journal. Taub spent her law school summers defending religious liberty in public interest law firms and clerking in the Texas Office of Solicitor General.
For her undergraduate studies at the University of Southern California, Taub graduated summa cum laude, majoring in Business Administration with a minor in Philosophy.
President, Becket Fund for Religious Liberty; Professor of Law and Co-Director of the Center for Religious Liberty, Catholic University; Visiting Professor, Harvard Law School
Mark joined the Becket team in 2011 and splits his time as Associate Professor at The Catholic University of America, Columbus School of Law, and as Visiting Professor at Harvard Law School. Mark teaches constitutional law, religious liberty, torts, and evidence. He has been voted Teacher of the Year three years in a row by the Law School’s Student Bar Association.
Mark has broad experience litigating First Amendment religious exercise and free speech cases. He has represented the winning parties in a variety of Supreme Court First Amendment cases including Hobby Lobby, Little Sisters, Wheaton College, and Holt. In January 2014, Mark argued before the Supreme Court in McCullen v. Coakley, a First Amendment challenge to a Massachusetts speech restriction outside of abortion clinics. The Justices ruled in favor of his clients 9-0. Mark also led a successful eight-year litigation battle against Governor Blagojevich’s effort to force religious pharmacists to distribute the morning-after and week-after pills.
Mark’s academic writing focuses on the First and Fourteenth Amendments, and has appeared in a variety of prestigious journals, including the Harvard Law Review.
Mark is a widely sought after speaker on constitutional issues, particularly concerning abortion and the First Amendment. Professor Rienzi has been invited to discuss these issues at Harvard Law School, Columbia University Law School, Georgetown University Law Center, Boston College Law School, Notre Dame Law School, the National Press Club, and the Capitol. He has been quoted on constitutional law issues on NPR, in the Washington Times, The New York Daily News, and the Chicago Sun-Times. Mark has also been featured on the Kelly File, Fox News Sunday, Your World with Neil Cavuto, Geraldo at Large, CNN Tonight, CNN Live, Andrea Mitchell Reports, and Wall Street Journal Live.
Prior to joining Becket, Mark served as counsel for the litigation department and the intellectual property litigation practice group of WilmerHale LLP. His practice focused on complex civil and appellate litigation with a particular emphasis on intellectual property and First Amendment issues. Prior to joining WilmerHale, he served as law clerk to the Hon. Stephen F. Williams, senior circuit judge for the U.S. Court of Appeals for the D.C. Circuit. Prior to that, Mark was an editor of the Harvard Law Review, and earned his J.D. from Harvard Law School and B.A. from Princeton University, both with honors.
Executive Vice President, Chief Legal Officer and Corporate Secretary, UpStream Healthcare
William S.W. Chang is the Chief Legal Officer and Corporate Secretary at UpStream Healthcare, having previously served in senior roles at McKesson Corporation and the U.S. Department of Health and Human Services.
At McKesson, Chang was Vice President of Regulatory Policy and Chief Legal Counsel. He led cross-functional teams that focused on enterprise priorities in key regulatory spaces. Chang advised the wide spectrum of McKesson’s businesses, including U.S. pharmaceutical distribution, medical-supply distribution, specialty and independent-community pharmacy, physician-practice management, prescription-technology services, medication access-and-adherence programs, and electronic health records.
At HHS, Chang served as Deputy General Counsel for public health, litigation, and investigations. Chang was one of the lead attorneys supporting Operation Warp Speed, working with public and private partners to build nationwide distribution and administration solutions for COVID-19 vaccines. Chang worked closely with the Deputy Secretary, the Centers for Medicare & Medicaid Services, the HHS Office of the Inspector General, and the U.S. Department of Justice to reform the Anti-Kickback Statute and Stark Law in order to facilitate value-based care.
At the Department of Justice, Chang led healthcare-fraud investigations of public and private companies and individuals, and his cases spanned several districts and involved multiple state and federal agencies as well as parallel civil proceedings.
Chang has been repeatedly recognized for his contributions to healthcare. In 2022, he was the National Winner of the American Pharmacists Association Friend of Pharmacy Immunization Champion Award. The award recognized Chang for his extraordinary contributions toward fully enfranchising the pharmacy workforce during the COVID-19 pandemic. For his public-health service, including during the pandemic, Chang received the Assistant Secretary for Health Exceptional Service Medal. The Medal is the highest decoration awarded to a civilian by the U.S. Public Health Service Commissioned Corps. For his service at the Department of Justice, Chang received numerous accolades. Among those accolades, he twice received the Assistant Attorney General’s Award for Distinguished Service; the HHS Inspector General’s Award for Excellence in Fighting Fraud, Waste, and Abuse; and the Commendation for Demonstrated Excellence from the FBI Director.
Attorney General, Alaska
Stephen J. Cox serves as the 28th Attorney General of the State of Alaska, where he oversees the state’s legal affairs and serves as the chief prosecutor with oversight of all district attorneys, general counsel to the Governor and executive branch, and represents the State in all civil and criminal cases in federal and state court. He brings to the role a proven record of public service at the highest levels of the U.S. Department of Justice, combined with deep experience in Alaska’s private sector and community life.
Before his appointment, he was Senior Vice President, Chief Legal and Strategy Officer of Bristol Bay Industrial—an investment platform of the Bristol Bay Native Corporation—acting as the chief legal officer for the industrial services portfolio on behalf of the Alaska Native shareholders in the Bristol Bay region. In that role, he led legal, compliance, and strategic planning for major energy, infrastructure, and utility projects across the State and in the Lower 48.
Earlier in his career, beginning in 2011, Cox served as in-house counsel for Apache Corporation, where he was the principal attorney for Apache Alaska and focused on new ventures and exploratory work in Cook Inlet, including seismic initiatives and ongoing regulatory coordination with state agencies.
Cox is deeply rooted in Anchorage’s community and faith life. He and his family attend Holy Family Old Cathedral in downtown Anchorage and support Mission Alaska, the Dominican friars’ outreach ministry under the Western Dominican Province. He was the founding board president and chairman of a new classical school in South Anchorage.
On the national stage, Cox held senior leadership roles in the U.S. Department of Justice under the Trump Administration. As Deputy Associate Attorney General, he co-chaired the DOJ’s Regulatory Reform Task Force and the Working Group on Corporate Enforcement and Accountability, and helped implement landmark policies aimed at curbing regulatory overreach and aligning enforcement with fairness and oversight. Later, as U.S. Attorney for the Eastern District of Texas, he oversaw prosecutions and civil litigation spanning 43 counties, prioritizing healthcare fraud, elder fraud, and violent crime while ensuring enforcement remained transparent and fair.
Earlier in his career, Cox practiced complex litigation at a major international law firm, served as counselor to the Director of U.S. Immigration and Customs Enforcement, and helped lead the William H. Webster Commission, which reviewed FBI counterterrorism intelligence and operations following the Fort Hood tragedy.
He began his legal career with a clerkship for Judge J. L. Edmondson of the U.S. Court of Appeals for the Eleventh Circuit. Cox earned a B.S. in Computer Science from Texas A&M University and a J.D., summa cum laude, from the University of Houston Law Center. He and his wife, Cristina, are raising their three children in Anchorage, and have made Alaska their home.
Founder & CEO of The Hargan Group
Eric D. Hargan is the Founder and CEO of The Hargan Group, a healthcare consulting firm. Eric previously served as the Deputy Secretary of the Department of Health and Human Services (HHS) from 2017 to 2021; he also served as Acting Secretary for several months in 2017-2018. HHS is the largest department in the federal government and has an annual budget of more than $1.3 trillion and over 80,000 employees across 26 divisions. As Deputy Secretary, he oversaw the development and approval of all HHS, CMS and FDA regulations and significant guidances, as well as the day-to-day operations and management of the department, and he led policy and strategy development. From 2003 to 2007, Mr. Hargan also served at HHS in a variety of capacities, including holding the position of Acting Deputy Secretary.
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