Charles I. Francis Professorship in Law, University of Texas at Austin School of Law
Professor Aaron Nielson lectures and writes in the areas of administrative law, civil procedure, and federal courts. Before joining the faculty, he served as Solicitor General of Texas and represented Texas before the U.S. Supreme Court and the Texas Supreme Court, as well as overseeing all appellate litigation for the State. Earlier in his career, he was a professor at Brigham Young University and an appellate and antitrust partner in the Washington, D.C. office of Kirkland & Ellis LLP. He also clerked for Justice Samuel A. Alito, Jr. of the U.S. Supreme Court, Judge Janice Rogers Brown of the U.S. Court of Appeals for the D.C. Circuit, and Judge Jerry E. Smith of the U.S. Court of Appeals for the Fifth Circuit.
As Solicitor General, Professor Nielson successfully defended against a First Amendment challenge Texas’s law requiring online pornographers to institute age verification. In 2020, the U.S. Supreme Court appointed him to defend the constitutionality of a federal agency. He currently serves as a Senior Fellow of the Administrative Conference of the United States after completing a six-year term as an appointed public member and chair of the Conference’s Administration & Management Committee.
Nielson’s research focuses on administrative law, federal litigation, and the separation of powers. He has published (or soon will publish) in the Harvard Law Review, Columbia Law Review, University of Chicago Law Review, University of Pennsylvania Law Review, Duke Law Journal, Georgetown Law Journal, Cornell Law Review, and Northwestern University Law Review, among others. Nielson has been recognized for teaching for teaching and scholarship and in 2021 received the Federalist Society’s Joseph Story Award, which recognizes a young academic for excellence in legal scholarship, a commitment to teaching, and a concern for students, and who has made a significant public impact in a manner that advances the rule of law in a free society. He is also an elected member of the American Law Institute.
Professor Nielson received his J.D. magna cum laude from Harvard Law School and an LL.M from the University of Cambridge, where he focused his studies on the institutions that regulate global competition and commerce. He received his undergraduate degree summa cum laude from the University of Pennsylvania, majoring in economics and political science.
Judge, United States Court of Appeals, Ninth Circuit
Kenneth Kiyul Lee is a judge on the U.S. Court of Appeals for the Ninth Circuit. He was appointed in June 2019 and is based in San Diego, California.
Prior to his appointment, he was a partner at the law firm of Jenner & Block in Los Angeles. Judge Lee previously served as an Associate Counsel to President George W. Bush and as Special Counsel to Senator Arlen Specter, then-chair of the Senate Judiciary Committee. He started his legal career at Wachtell, Lipton, Rosen & Katz in New York.
Judge Lee received his J.D. from Harvard Law School, magna cum laude, and his A.B. from Cornell University, summa cum laude. He clerked for Judge Emilio M. Garza of the U.S. Court of Appeals for the Fifth Circuit.
Laurence A. Tisch Professor of Law and Director, Classical Liberal Institute, New York University School of Law; Director, Classical Liberal Institute, Civitas Institute University of Texas at Austin
Richard A. Epstein is the Laurence A. Tisch Professor of Law, at New York University, a senior research fellow at the Civitas Institute at the University of Texas Austin, and a senior Lecturer, the University of Chicago. He received an LL.D., h.c . from the University of Ghent, 2003 , and an LLD h.c . from the University of Siegen in 2018 and the Bradley Prize in 2011. He has been a member of the American Academy of Arts and Sciences since 1985. He has edited both the Journal of Legal Studies (1981-1991) and the Journal of Law and Economics (1991-2001). He is also a founder and director of the Classical Liberal Institute at NYU Law School. His most recent book is The Classical Liberal Constitution: The Uncertain Quest for Limited Government (2014). His other books include Takings: Private Property and the Power of Eminent Domain ( 1985); Bargaining with the State (1993); Simple Rules for a Complex World (1995); Principles for a Free Society: Reconciling Individual Liberty and the Common Good (1998); Skepticism and Freedom: A Modern Theory of Classical Liberalism (2003); Design for Liberty: Private Property, Public Administration and the Rule of Law (2011), and most recently, The Myth of Birthright citizenship—and Beyond (2026). He has taught courses in , administrative law, antitrust, constitutional, contracts, environmental law, land use planning; real property, torts and water law. He has written and spoken extensively on a wide range of topics, and is writes a regular column for Defining Ideas.
Professor of Law, Indiana University Robert H. McKinney School of Law
Margaret Ryznar is an Associate Professor of Law at Indiana University Robert H. McKinney School of Law. She teaches and researches in the areas of family law, tax, trusts & estates, property, and juvenile law. Her scholarship focuses on the rights of family members under federal and state law, with particular emphasis on how family members hold and transfer property among themselves. Professor Ryznar edits the Family Law Prof Blog and has published over twenty law journal articles. Her work has been featured in the media and cited in law journals and judicial materials.
Prior to joining the faculty in 2012, Professor Ryznar served as a law clerk to the Honorable Myron H. Bright of the United States Court of Appeals for the Eighth Circuit and practiced law with Cadwalader, Wickersham & Taft LLP in Washington, DC.
Professor Ryznar is a graduate of Notre Dame Law School, where she served as a Note Editor of the Notre Dame Law Review, competed in the Philip C. Jessup International Law Moot Court, and received the Bainbridge Fellowship for the Study of International and Comparative Law. She holds a master’s degree in European Studies from Jagiellonian University and a bachelor’s degree from the University of Chicago with majors in Economics; English Language & Literature; Political Science; and Law, Letters, & Society.
Leadership Counsel, Washington State Senate Republican Caucus
Daniel Himebaugh serves as Leadership Counsel for the Washington State Senate Republican Caucus.
Senior Attorney, Pacific Legal Foundation
Damien Schiff is a senior attorney at Pacific Legal Foundation. He leads its environmental practice group, a unique initiative that draws broadly from PLF’s expertise and success in property rights and separation of powers litigation. Over the years, Damien has represented hundreds of landowners and property rights advocates to defend their liberties against heavy-handed and unwarranted environmental and land-use regulation. His litigation experience includes Sackett v. U.S. Environmental Protection Agency, a groundbreaking decision in which the U.S. Supreme Court upheld the right of landowners to challenge Clean Water Act compliance orders issued by EPA, and Contoski v. Norton, PLF’s successful effort to force the federal government to make good on its promise to delist the bald eagle from the Endangered Species Act.
Besides litigation, Damien has written academic articles on a variety of subjects, including the Endangered Species Act, the Clean Water Act, greenhouse gas torts, the duty to rescue, and international water law. He has appeared on a variety of television and radio programs and has been quoted in The New York Times, The Wall Street Journal, Harper’s Magazine, and The Economist, among other publications.
He obtained his law degree magna cum laude from the University of San Diego School of Law, and his undergraduate degree magna cum laude from Georgetown University. While at USD, he was a research assistant for Professor Bernard Siegan, a leading constitutional theorist and advocate for property rights and economic liberty. Immediately prior to joining PLF, Damien clerked for Judge (and former PLF attorney) Victor Wolski of the United States Court of Federal Claims. Damien credits the mentoring and examples of Professor Siegan and Judge Wolski for his decision to pursue a career in liberty-based public interest litigation.
Damien lives in Sacramento with his wife, two young sons, four chickens, and a cat named Princess. In his off hours he enjoys stamp collecting, Gregorian chant, and martinis—preferably at the same time.
Member, Miller & Chevalier Chartered
Timothy P. O'Toole defends individuals and companies in white collar criminal prosecutions, conducts internal corporate investigations, and represents potential witnesses and targets in government investigations. His white collar criminal defense practice includes matters involving the Foreign Corrupt Practices Act, criminal tax, conspiracy, false representations to government agencies, bribery, illegal gratuities, obstruction of justice, and fraud.
Mr. O’Toole also handles complex litigation arising under the Employee Retirement Income Security Act (ERISA). His ERISA practice spans a broad spectrum, including fiduciary litigation, pre-emption matters, and cases arising under Title IV. He has represented plan sponsors in benefits litigation and has particular experience in defending breach of fiduciary duty claims. Mr. O’Toole also currently represents a number of retiree organizations in challenges to the manner in which the Pension Benefit Guaranty Corporation (PBGC) has handled the termination of their pension plans and administered their pension benefits.
Mr. O'Toole is experienced in handling criminal and civil appeals, having presented more than 25 appellate arguments in the state and federal courts, and represented parties and amici curiae before the United States Supreme Court in a Fourth Amendment case (Hudson v. Michigan), cases involving the Sixth Amendment right to confront witnesses (Briscoe v. Virginia; Melendez-Diaz v. Massachusetts; Davis v. Washington; and Hammon v. Indiana), and cases involving federal court jurisdiction (Slack v. McDaniel; Whorton v. Bockting; Muhammad v. Close; and Rumsfeld v. Padilla).
Prior to joining Miller & Chevalier, Mr. O’Toole served as the Chief of the Special Litigation Division of the Public Defender Service for the District of Columbia, where he supervised and handled complex cases in the local and federal courts. He is a former Assistant Federal Public Defender in Las Vegas, Nevada, where he represented people under sentence of death in federal proceedings.
President, Harned Strategies LLC
Karen Harned is President at Harned Strategies LLC. Previously, she served as Executive Director of the National Federation of Independent Business Small Business Legal Center, a post she held from 2002-2022. Prior to joining the Legal Center, Ms. Harned was an attorney at a Washington, D.C. law firm specializing in food and drug law, where she represented several small and large businesses and their respective trade associations before Congress and federal agencies. She also served as Assistant Press Secretary to U.S. Senator Don Nickles of Oklahoma from August of 1989 to March of 1993. Ms. Harned received her B.A. from the University of Oklahoma in 1989 and her J.D. from The George Washington University National Law Center in 1995. She is admitted to practice in the District of Columbia.
As Executive Director of the NFIB Small Business Legal Center, Ms. Harned commented regularly on small business cases before federal and state courts, as well as the U.S. Supreme Court. She has appeared on Fox News, Fox Business, NBC Nightly News, CNN, CNBC and MSNBC, as well as National Public Radio, CBS Radio, and radio outlets across the country. Her opinion editorials and articles regarding healthcare, lawsuit abuse, regulation, and other issues important to small business have been published in newspapers and other publications nationwide.
Ms. Harned has testified before Congress on the small business impact of regulation and the civil justice system. Additionally, she has conducted numerous webinars and legal compliance seminars for small business owners across the country on issues relating to employment law, including unionization and immigration.
Attorney, Klein O'Neill & Singh LLP
Mr. Klein is a registered patent attorney with over thirty years of experience in patent and trademark prosecution, licensing, opinion work, and litigation. Mr. Klein has written and prosecuted hundreds of patents in a wide variety of technologies. He has been engaged extensively in validity and infringement opinions, and he has experience in the litigation of all aspects of IP: Patents, trademarks, copyrights, and trade secrets.
Mr. Klein has served clients throughout the United States, as well as Europe, Taiwan, and Australia. Clients include start-up companies, and corporations of all sizes, including Fortune 500® companies.
Mr. Klein is now also an Adjunct Professor of Law at Chapman University Law School.
Albert E. Cinelli Enterprise Professor of Law, Columbia Law School
Law clerk to Judge Joseph T. Sneed, U.S. Court of Appeals for the Ninth Circuit (1985-1986) and Justice Lewis F. Powell, Jr. of the U.S. Supreme Court (1986-1987). Practiced real estate and transactional law in Houston, Texas (1987-1991). Worked for the Justice Department as an Assistant for the Solicitor General of the United States, (1991-1994).
Joined the Columbia faculty on July 1, 2007 after holding tenured positions at the University of Michigan, University of Texas, and the Washington University School of Law. A nationally renowned scholar in the areas of secured credit, payment systems, and intellectual property, he has authored dozens of law review articles in leading law reviews, as well as pathbreaking casebooks on Payment Systems and Electronic Commerce.
He is a member of the American Law Institute, a conferee of the National Bankruptcy Conference, and a frequent visiting scholar at Federal Reserve Banks.
Professor of Law, Brooklyn Law School
Professor Mulligan teaches Internet law, intellectual property law, and trusts & estates. Her research addresses efforts to adapt intellectual property law for the digital age, the relationship between law and technology, and theories of constitutional interpretation. Recently, she has written about the Internet of Things, robot punishment, and early translations of the Constitution.
While at Brooklyn, Professor Mulligan researched as a visiting scholar at the Georgetown Center for the Constitution and taught as a visiting associate professor at Yale Law School. Previously, she taught at the University of Georgia and was a postdoctoral associate and lecturer in law at the Information Society Project at Yale Law School. Her scholarship has been published in a variety of journals and law reviews, including Georgia Law Review, SMU Law Review, and Constitutional Commentary.
Professor Mulligan earned her bachelor’s degree cum laude and her law degree cum laude from Harvard University, where she worked as a production and article editor for the Harvard Journal of Law & Technology. Before entering academia, she served as a law clerk for Judge Charles F. Lettow of the U.S. Court of Federal Claims.
Associate Professor, Boston College Law School
David Olson is an associate professor and the Faculty Director of the Program on Innovation and Entrepreneurship. He teaches patent law, intellectual property law, antitrust law, and various seminars. His research and writing primarily focus on patents, copyrights, antitrust, and incentives for innovation and competition. Since joining BC Law in 2007, he has been recognized for his teaching excellence and contributions. In 2011, he received the Business & Law Society Faculty Award for Achievement in Business & Law. In 2012, he received the Professor Emil Slizewski Award for Faculty Excellence. For one semester in 2015, Olson served as a visiting professor at Pontifical Catholic University, Rio de Janeiro, Brazil, where he conducted research and taught a course on intellectual property.
Olson has published scholarly articles on patent law, copyright law, antitrust, music licensing, and first amendment copyright issues. His writing has been cited in Supreme Court and other legal opinions. He has testified before the U.S. Congress on matters of drug patents, FDA regulation, and antitrust.
The media frequently seeks Olson’s insights and opinions. He has been quoted in the Wall Street Journal, Associated Press, and Reuters, among others. He has appeared as a guest panelist on WBUR’s Radio Boston, WAMU's Kojo Namdi Show, and Public Radio Canada. His op-eds have appeared in the Chicago Tribune, Washington Times, and The Hill.
Olson came to Boston College from Stanford Law School's Center for Internet and Society, where he conducted research on patent law and litigated copyright fair use impact cases. Before entering academia, Olson practiced law as a patent litigator. He clerked for Judge Jerry Smith of the U.S. Court of Appeals for the Fifth Circuit.
Lecturer in Law; Executive Director, Public Patent Foundation, Cardozo School of Law
Daniel B. Ravicher is a Lecturer in Law at Benjamin N. Cardozo School of Law and Executive Director of the Public Patent Foundation (“PUBPAT”). Labeled a modern day 'Robin Hood' by Science, named one of "The 50 Most Influential People in IP" by Managing Intellectual Property, and awarded anEchoing Green Fellowship for social entrepreneurship, Professor Ravicher is a registered patent attorney who writes and speaks frequently on patent law and policy, including testifying as an invited witness before Congress on the topic of patent reform. Professor Ravicher writes about patent policy issues for the Huffington Post and patent related corporate valuations issues for Seeking Alpha and through the Ravicher Reports. He is on Twitter@danravicher.
Professor Ravicher received his law degree from the University of Virginia School of Law, where he was the Franklin O'Blechman Scholar of his class, a Mortimer Caplin Public Service Award recipient and an Editor of the Virginia Journal of Law and Technology, and his bachelors degree in materials science magna cum laude with University Honors from the University of South Florida. He is admitted to the United States Supreme Court, the Courts of Appeals for the Federal, 2nd and 11th Circuits, the District Courts for the Southern and Eastern Districts of New York, the State of New York, and the United States Patent and Trademark Office.
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