Roscoe Jones, Jr. is the former Dean of the Drake Law School in Des Moines, Iowa. He was the first Black Dean of the Law School and any college or school within Drake University.
Jones served as chair of the ACS Board of Directors from 2023-2025.
Previously, he was Partner and Co-Chair of the Public Policy Practice Group at Gibson Dunn & Crutcher LLP, where he helped clients navigate complex public policy matters and congressional investigations. His career also involved stints as chief of staff to a member of Congress, legislative director to Senator Dianne Feinstein, senior counsel to Senator Cory Booker, and senior counsel to Senator Patrick Leahy on the Senate Judiciary Committee. He served as special counsel to the Tom Perez, the then-Assistant Attorney General of Civil Rights at the U.S. Department of Justice, appellate attorney in the Civil Rights Division, and assistant U.S. attorney in the Western District of Washington. He graduated from Stanford University and the University of Virginia Law School.
He clerked on the U.S. Court of Appeals for the Fifth Circuit for Judge Carl E. Stewart and U.S. District Court of Maryland for Judge Alexander Williams, Jr. He teaches at the Yale Law School and University of Michigan Law School and previously taught at the Harvard Kennedy School, Georgetown University Law Center, George Washington University Law School, and University of Washington Law and Evans Schools. A Stennis Fellow, Wasserstein Fellow, and Murnaghan Fellow, he has been published in the ACS’s Harvard Law & Policy Review.
Craig Mastantuono defends people accused of crime in State and Federal courts. He began his career at the Wisconsin State Public Defender before entering private practice.
Mastantuono is a deeply committed advocate for his clients, for the rights of those accused of crime, and for the ability of those convicted of crime to have an opportunity at redemption and not be defined by their worst actions. He has litigated thousands of cases, serving as lead counsel in more than 50 jury trials. He has also argued and won cases before the Wisconsin Supreme Court and the U.S. 7th Circuit Court of Appeals. His practice focuses on felony and white-collar defense and investigations, mental health criminal case work, Fourth Amendment litigation and selected post-conviction work.
The proud son and grandson of immigrants from Mexico and Italy, he is a past-President of the Wisconsin Hispanic Lawyer’s Association (WHLA) and past chair of the WHLA scholarship committee. He is a member of The American Law Institute and an International Academy of Trial Lawyers Fellow, and a board member of the Milwaukee Jazz Institute.
Mastantuono serves on Wisconsin Governor Tony Evers’ Judicial Selection Advisory committee, assisting the Governor in appointing state court judges and improving the competency and diversity of the Wisconsin bench. He earned his law degree at DePaul University College of Law and a BBA cum laude at Loyola University of Chicago. He is an adjunct faculty member at Marquette University Law School where he teaches Criminal Practice.
Michele Bratcher Goodwin is the Linda D. & Timothy J. O’Neill Professor of Constitutional Law and Global Health Policy. She is the Faculty Director of the O’Neill Institute for National and Global Health Law.
She was elected ACS Chair-Elect in December 2025 for a two-year term.
Professor Goodwin previously was a Chancellor’s Professor at the University of California, Irvine and founding director of the Center for Biotechnology and Global Health Policy. She was the Abraham Pinanski Visiting Professor of Law at Harvard Law School and is a Senior Lecturer at Harvard Medical School.
Dr. Goodwin is the 2023 recipient of the California Women’s Law Center Pursuit of Justice Award. In 2022, the American Bar Association recognized her with the Margaret Brent Award. In 2020-21, she was bestowed the Distinguished Senior Faculty Award for Research, the highest honor bestowed by the University of California. She is an elected member of the American Law Institute as well as an elected Fellow of the American Bar Foundation and the Hastings Center (the organization central to the founding of bioethics).
Peter Karanjia is a partner at DLA Piper LLP (in its Washington, D.C., and New York offices) and chairs the firm’s Administrative Law Appellate Practice. In 2017, Karanjia was appointed to the ACS Board of Directors and was elected board chair from 2019 to 2023.
From 2010 to 2013, Karanjia served as Deputy General Counsel of the Federal Communications Commission. In that role, Karanjia supervised all of the agency’s litigation—including defending the FCC’s first net neutrality rules in the D.C. Circuit. Previously, as Special Counsel to the Solicitor General of New York, Karanjia argued several major appeals, including the successful defense of a first-of-its kind statute requiring online retailers to collect state taxes. Karanjia received the New York Attorney General’s Award in 2010.
Karanjia focuses on appellate, regulatory, and complex litigation. He is also active in pro bono and civic work, regulatory representing amici before the U.S. Supreme Court in constitutional cases, such as the litigation challenging the Trump administration’s rescission of the DACA program (on behalf of United We Dream and 50 other organizations); the litigation challenging President Trump’s “Travel Ban” executive orders (on behalf of more than 130 Members of Congress); and the litigation defending fair-share union fees against First Amendment challenge (on behalf of U.S. Senators Sheldon Whitehouse and Richard Blumenthal). Karanjia also has represented media organizations and press associations (including The New York Times, The Washington Post, The Guardian, The Intercept, BuzzFeed, Reporters Committee for Freedom of the Press, and The Center for Investigative Reporting) in cases raising novel First Amendment issues in connection with digital media.
Karanjia holds law degrees from Harvard Law School, where he studied as a John F. Kennedy Scholar, and the University of Oxford, from which he graduated with highest honors.
Ambassador Keith M. Harper (ret.) is Chair of the Native American Practice at Jenner and Block. Prior to that he was a partner at Kilpatrick Townsend & Stockton. His areas of practice include government and regulatory litigation, Native American litigation, and counseling on international matters and Business & Human Rights.
In 2017, Harper was appointed to the ACS board of directors. He was elected Chair of the Board in December 2025 for a two-year term.
Harper also served in the Obama Administration as U.S. Ambassador and Permanent Representative to the United Nations Human Rights Council in Geneva, Switzerland, and, as a citizen of the Cherokee Nation, was the first-ever member of a federally-recognized Indian tribe to serve as a U.S. Ambassador. From 2010 to 2014, Harper served as a Commissioner on the President’s Commission on White House Fellowships.
Harper has been part of numerous high-profile tribal cases, including serving as class counsel for 500,000 individual Indians who sued the Departments of Interior and Treasury over government management of their trust assets, resulting in a $3.4 billion settlement agreement. He also served as lead counsel for numerous tribes suing the U.S. for mismanagement of tribal trust funds and natural resources. He has represented tribes before the National Labor Relations Board and the Western Area Power Administration.
Earlier in his career, Harper served as a litigator for the Native American Rights Fund where he started as a Skadden Fellow. He is also a member of the board of directors at Women At The Table and of the advisory board of the Artistic Freedom Initiative as well as an at-large member of the Democratic National Committee.
Harper received his J.D. from New York University and his B.A. from University of California Berkeley in sociology and psychology. He clerked for the Hon. Lawrence W. Pierce in the U.S. Court of Appeals for the Second Circuit. He can be followed on Twitter, @AmbHarper.
