William P. Mumma

William P. Mumma is currently the Board Chairman of the Becket Fund for Religious Liberty. He served as a full-time volunteer CEO from 2011 until 2021. Prior to Becket, he had a 30-year career on Wall Street as CEO of Mitsubishi UFJ Securities (USA), with prior executive roles at Nomura Securities International and Bankers Trust.

Mr. Mumma also serves as the Board Chairman for FOCUS (The Fellowship of Catholic University Students) and serves on the board of the Napa Legal Institute.

He has degrees from Georgetown University’s School of Foreign Service and Columbia University Business School.

Mr. Mumma lives in Summit, New Jersey with his wife Kathy, to whom he has been happily married since 1983, and has six children and sixteen grandchildren.

Montse Alvarado

Montse joined the Becket Fund for Religious Liberty in 2009 and was named VP & Executive Director in February 2017. With a background in public policy and campaigns, she has led initiatives at Becket in development, communications, strategy and operations that have helped secure religious liberty victories against the contraceptive mandate, protect the rights of churches to choose their leaders, and safeguard the free speech of crisis pregnancy centers and religious groups on campus. She was profiled by the Wall Street Journal’s Weekend Edition with the following introduction: “A defender of all religion, on the front lines of America’s culture wars.”

Montse has a Masters from the George Washington University and a B.A. from Florida International University. She served on the Montgomery County Commission for Women in Maryland and is currently on the board of the Patients’ Rights Action Fund, the leading advocate against the legalization of assisted suicide; a board member of Speech First, an organization that protects students’ free speech rights on campus; a lay consultant to the United States Conference of Catholic Bishops (USCCB) Religious Liberty Committee; a member of the President’s Advisory Counsel of the Fellowship of Catholic University Students; on the advisory council to the Council of Major Superiors of Women Religious (CMSWR) and the GIVEN Institute; and on the Hispanic Affairs Advisory Board for the Philos Project, and a board member of the Acton Institute. Although not an attorney, she “plays one on TV” advocating for Becket clients on major television and radio networks including Univision, CNN en Español, Telemundo, Fox Business, and EWTN. Born in Mexico City, she is fluent in Spanish and French and is a competitive jazz and classical vocalist.

Mark Rienzi

Mark joined the Becket team in 2011 and was elevated to President in 2018. He splits his time as 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.