Amb. David J. Scheffer is senior fellow at the Council on Foreign Relations (CFR), with a focus on international law and international criminal justice. Scheffer was the Mayer Brown/Robert A. Helman Professor of Law (2006-2020) and is Director Emeritus of the Center for International Human Rights at Northwestern University Pritzker School of Law. He is Professor of Practice at Arizona State University (Washington offices). He was Vice-President of the American Society of International Law (2020-2022) and held the International Francqui Professorship at KU Leuven in Belgium in 2022. From 2012 to 2018 he was the UN Secretary-General’s Special Expert on UN Assistance to the Khmer Rouge Trials, and he was the Tom A. Bernstein Genocide Prevention Fellow working with the Ferencz International Justice Initiative at the Simon-Skjodt Center for the Prevention of Genocide, U.S. Holocaust Memorial Museum (2019-2021).

During the second term of the Clinton Administration (1997-2001), Scheffer was the first ever U.S. Ambassador at Large for War Crimes Issues and led the U.S. delegation to the UN talks establishing the International Criminal Court (ICC). He signed the Rome Statute of the ICC on behalf of the United States on December 31, 2000. He negotiated the creation of five war crimes tribunals: the International Criminal Tribunals for the former Yugoslavia and Rwanda, the Special Court for Sierra Leone, the Extraordinary Chambers in the Courts of Cambodia, and the ICC. He chaired the Atrocities Prevention Inter-Agency Working Group (1998-2001). During the first term of the Clinton Administration (1993-1997), Scheffer served as senior advisor and counsel to the U.S. Permanent Representative to the United Nations, Dr. Madeleine Albright, and he served on the Deputies Committee of the National Security Council. Ambassador Scheffer received an A.B. (Government and Economics) from Harvard College, B.A. (Honour School of Jurisprudence) from Oxford University (where he was a Knox Fellow), and LL.M. (International and Comparative Law) from Georgetown University Law Center.

Jon brings over 17 years of experience in development and fundraising in both the public and private sectors.  He started his career in politics working in the Ohio Statehouse and later in the office of U.S. Congressman Steven LaTourette, as well as former Secretary of State Hillary Rodham Clinton. After leaving Capitol Hill, Jon pursued his passion of helping nonprofits secure the resources they needed to best serve their constituents. This passion led to his founding of Jon Thomas Consulting, a boutique nonprofit management and development firm serving organizations across the United States and throughout the world in streamlining their processes and maximizing their revenue growth through grant writing, government affairs, donor stewardship, and major event planning.

Prior to his fundraising career, Jon proudly served his community as a firefighter and water rescue diver. In his personal time, Jon is a champion competitive sailor and a bit of a thrill-seeker, having skydived and bungee jumped on 6 continents.

Jacopo De Marinis is a 2022 graduate of the University of Illinois at Urbana-Champaign, where he majored in Public Policy and Law, and is pursuing a career in peacebuilding and conflict resolution. While studying at UIUC, he co-founded a student chapter of Chicago Area Peace Action, CAPA UIUC, and spearheaded student campaigns for climate justice, justice for Black farmers, and a Chicago Department of Peacebuilding. He currently sits on the boards of Anne's Haven, a Chicago community-based organization dedicated to women's empowerment, and Chicago Area Peace Action. Jacopo has published articles on topics including conflict diplomacy, US-China relations, and United Nations reform in CounterPunch, Countercurrents, the LA Progressive, and on the Nepal Institute for International Cooperation and Engagement's website, among others. Jacopo joined the CGS team in September of 2022, as he strongly believes that stronger global governance and UN reform is necessary if we are to realize a more peaceful and just world.

Marvin has been working in the areas of HIV/AIDS, international peace and human rights. He has worked with both national and international non-profits in the DC area. Marvin brings years of experience in non-profit finance and administration. Marvin is a certified human resources professional and holds an MBA from Howard University School of Business.

Peter Orvetti is an editor and political analyst who has spent most of his career providing daily intelligence briefings for the White House across four presidential administrations, as well as multiple Cabinet agencies, trade associations, and Fortune 500 companies. He is the author of several “Young People’s Guides” to various U.S. federal elections and is a former daily columnist for NBC Universal’s Washington, D.C., website.

He has been involved with CGS and other world federalist organizations for more than a decade and publishes the daily “One World Digest” email newsletter. He is also a theater reviewer and an actor in both professional and amateur productions.

Drea Bergman has been shaping world citizens developing global youth programs as Director of Programs for CGS. She is a public policy researcher with master’s degrees from Maastricht Graduate School of Governance and the United Nations University-MERIT (Maastricht Economic and Social Research Institute on Innovation and Technology). She specializes in evidenced-based public policy programs using mixed-methods research and has focused especially on spearheading digital transformation for a variety of NGOs and foundations. Some of her other projects have included research in Eastern Europe and the Middle East. More recently, she has lent her expertise by providing strategic planning for social enterprise start-ups.

Bob Flax, Ph.D. is the former Executive Director of Citizens for Global Solutions (now retired). He has spent a lifetime addressing human suffering, first as a psychologist, then as an organization development consultant, and for more than a decade, as a global activist through the World Federalist Movement. He also teaches in the Transformative Social Change Program at Saybrook University.

Bob has a B.A. in Psychology and Philosophy from New York University (1977), an M.A. in Psychology from Long Island University (1980), a Ph.D. in Psychology from Saybrook Institute (1992), an M.A. in Organization Development from Sonoma State University (2007), a Certificate in Global Affairs from New York University (2015) and a Diploma in Global Leadership at the UN Peace University in Costa Rica (2019).

Bob’s love of adventure has led him to international trekking, scuba diving, and climbing the tallest mountains on 3 continents. He also maintains a Buddhist meditation practice and lives in a co-housing community in Northern California.

Rebecca A. Shoot is an international lawyer and democracy and governance practitioner with more than 15 years of experience in the non-governmental, inter-governmental, and private sectors supporting human rights, democratic processes, and the rule of law on five continents.

In nearly a decade with the National Democratic Institute (NDI), Rebecca held numerous positions in headquarters and the field supporting and leading democracy and governance programs in Central and Eastern Europe and Southern and East Africa. She subsequently moved to a leadership role steering NDI’s Governance projects globally and directing programming for the bipartisan House Democracy Partnership of the U.S. House of Representatives. Rebecca created a global parliamentary campaign for Democratic Renewal and Human Rights as Senior Advisor to Parliamentarians for Global Action (PGA), an international network of legislators committed to collaboration to promote democracy, human rights, and the rule of law. Prior to that, she directed PGA’s International Law and Human Rights Programme and ran PGA’s office in The Hague. Most recently, she helmed global programming to promote gender equality and criminal justice reform for the American Bar Association Rule of Law Initiative (ABA ROLI).

Rebecca has spoken at high-level conferences and events on five continents (and increasingly, globally through online platforms). Her publications include the first Global Parliamentary Report (IPU & UNDP 2012), Political Parties in Democratic Transitions (DIPD 2012), and Navigating between Scylla and Charybdis: How the International Criminal Court Turned Restraint Into Power Play (Emory Int’l L. Rev. 2018), which was honored with the Emory International Law Review’s Founder’s Award for Excellence in Legal Research and Writing.

Rebecca is admitted to practice law in the District of Columbia and is a member of several bar associations, including the American Branch of the International Law Association (ABILA), where she serves as Advocacy Director for the International Criminal Court (ICC) Committee. She served as a Visiting Professional in the Presidency of the ICC and has provided pro bono legal expertise to The Carter Center, International Refugee Assistance Project, United Nations Working Group on Enforced and Involuntary Disappearances, and U.S. Marine Corps University, where she helped develop the international humanitarian law curriculum.

Rebecca earned a Juris Doctorate with Honors from Emory University School of Law, where she received several academic distinctions, including the David J. Bederman Fellowship in International Law and Conley-Ingram Scholarship for Public Interest Leadership. She earned a Master of Science in Democracy & Democratisation from University College London School of Public Policy and a Bachelor of Arts Magna Cum Laude in Political Science from Kenyon College. She holds certificates in Conflict Analysis from the U.S. Institute of Peace and in Public International Law from The Hague Academy of International Law.

As Executive Director of CGS, Rebecca will continue her current role as Co-Convener of the Washington Working Group for the International Criminal Court (WICC), a diverse coalition of human rights organizations, legal associations, former government officials, and leading legal professionals. CGS and WICC have a rich and intertwined history that this dual appointment brings full circle, with CGS formerly serving as host for the coalition and with several current and former common Board and National Advisory Committee members.

She also acts, directs, and writes for the theater.

Helen Caldicott is a physician, author, and anti-nuclear advocate. She founded several associations dedicated to opposing the use of nuclear power, depleted uranium munitions, nuclear weapons, nuclear weapons proliferation, and military action in general. In 1980, she founded the Women’s Action for Nuclear Disarmament (WAND), which was later renamed Women’s Action for New Directions. In 2008, she founded the Helen Caldicott Foundation for a Nuclear Free Future.

Blanche Wiesen Cook is a Distinguished Professor of History and Women’s Studies at John Jay College of Criminal Justice, City University of New York. She is author of a three-volume biography of Eleanor Roosevelt, as well as The Declassified Eisenhower: A Divided Legacy of Peace and Political Warfare.

David Cortright is director of Policy Studies at the Kroc Institute for International Peace Studies at the University of Notre Dame and chair of the Board of the Fourth Freedom Forum. In 1977, Cortright was named the executive director of he Committee for a SANE Nuclear Policy (SANE), which under his direction became the largest disarmament organization in the U.S. Cortright initiated the 1987 merger of SANE and the Nuclear Weapons Freeze Campaign and served for a time as co-director of the merged organization. In 2002, he helped to found the Win Without War coalition in opposition to the U.S. invasion of Iraq.

He is the author or co-editor of 19 books including Waging Peace in Vietnam: U.S. Soldiers and Veterans Who Opposed the War, Gandhi and Beyond: Nonviolence for a New Political Age, and Peace: A History of Movements and Ideas.

Andrea Cousins is a psychologist and psychoanalyst who has practiced for more than 30 years. She has a doctorate in anthropology from Harvard University and a Doctor of Psychology degree from the Massachusetts School of Professional Psychology. Her father, journalist and peace activist Norman Cousins, served as president of the World Federalist Association and chairman of the Committee for Sane Nuclear Policy, and was honored with recognitions including the United Nations Peace Medal.

Daniel Ellsberg is a political activist and former military analyst. While employed by the RAND Corporation, Ellsberg precipitated a national political controversy in 1971 when he released the Pentagon Papers, a top-secret Pentagon study of the U.S. government decision-making in relation to the Vietnam War, to The New York Times, The Washington Post and other newspapers.

Since the end of the Vietnam War, Ellsberg has continued his political activism, giving lecture tours and speaking out about current events. Ellsberg was awarded the Right Livelihood Award in 2006. In 2018, he was awarded the 2018 Olof Palme Prize for his “profound humanism and exceptional moral courage.”

Oscar Andrew Hammerstein is a painter, writer, and lecturer. He has taught graduate-level courses on New York theatre history and general musical theatre history as an adjunct professor at Columbia University. He is the author of The Hammersteins: A Musical Theatre Family.

Randy Kehler is a pacifist activist who served 22 months in prison for returning his draft card in 1969 and refusing to seek exemption as a conscientious objector, seeing that as a form of cooperation with the Vietnam war effort. He played a key role in persuading Daniel Ellsberg to release the Pentagon Papers, and later served as executive director of the National Nuclear Weapons Freeze Campaign. Kehler and his wife Betsy Corner refused to pay taxes for military expenditures, resulting in the federal seizure of their Massachusetts home in 1989. They continue to withhold their federal income taxes.

Gordon Orians, an ornithologist and ecologist for more than half a century, has focused his work on behavioral ecology and the relationships between ecology and social organization, as well as on the interface between science and public policy. He was director of the University of Washington Seattle’s Institute for Environmental Studies for a decade and has also served on the Board of Directors of the World Wildlife Fund and on state boards of the Nature Conservancy and Audubon.

Orians was elected to the National Academy of Sciences in 1989 and to the American Academy of Arts and Sciences in 1990.

William Pace was the founding convenor of the Coalition for an International Criminal Court (ICC) and a co-founder of the International Coalition for the Responsibility to Protect. He has been engaged in international justice, rule of law, environmental law, and human rights for four decades, serving as executive director of the World Federalist Movement-Institute for Global Policy, secretary-general of the Hague Appeal for Peace, director of the Center for the Development of International Law, and director of Section Relations of the Concerts for Human Rights Foundation at Amnesty International, among other roles. He is the recipient of the William J. Butler Human Rights Medal from the Urban Morgan Institute for Human Rights and was nominated for the Nobel Peace Prize for his work on the ICC.

James T. Ranney is an adjunct professor of international law at Widener Law School. He co-founded the Jeannette Rankin Peace Center in Montana and served as a legal consultant to the United Nations International Criminal Tribunal for the Former Yugoslavia. He has written extensively on the abolition of nuclear weapons and the establishment of international dispute resolution mechanisms.

Rick Ulfik is the founder of We, The World, an international coalition-building organization whose Mission is to maximize social change globally. He and his organization work closely with the New York Center for Nonviolent Communication, where he has been a facilitator since 2004. He is also the co-creator of the annual 11 Days of Global Unity - 11 Ways to Change the World, September 11-21.

He is an award-winning composer and keyboard player who has written, arranged, produced and orchestrated music for television networks, feature films, commercials, and albums. He has performed with Queen Latifah, Phoebe Snow, Carlos Santana, Bernadette Peters, and Judy Collins.

John Stowe is the Roman Catholic bishop of the Diocese of Lexington, Kentucky. He is a member of the Order of Friars Minor Conventual, a mendicant religious order founded by Francis of Assisi. In 2015, Pope Francis appointed Stowe bishop of the Diocese of Lexington. He is the Episcopal President of the U.S. board of Pax Christi, an international Catholic Christian peace movement with a focus on human rights, disarmament, nonviolence, and related issues.

Barbara Smith has played a significant role in Black feminism in the U.S. for more than 50 years. She taught at numerous colleges and universities for 25 years and has been published in a wide range of publications including The New York Times Book Review, Ms., Gay Community News, The Village Voice, and The Nation.

Among her many honors are the African American Policy Forum Harriet Tubman Lifetime Achievement Award, the Lambda Literary Award, and the Stonewall Award for Service to the Lesbian and Gay Community. In 2014, SUNY Press published Ain’t Gonna Let Nobody Turn Me Around: Forty Years of Movement Building with Barbara Smith.

William J. Ripple is a Distinguished Professor of Ecology in the Department of Forest Ecosystems and Society at Oregon State University. He has published two books and has authored more than 200 scientific journal articles on topics including conservation, ecology, wildlife, and climate change. He was the co-lead author on the 2020 paper “The World Scientists’ Warning of a Climate Emergency,” which was endorsed by more than 14,000 scientist signatories from around the world. He is the director of the Alliance of World Scientists, which has approximately 26,000 scientist members from 180 countries.

Mark Ritchie is president of Global Minnesota, a nonprofit, nonpartisan organization devoted to advancing international understanding and engagement. He served as Minnesota secretary of state from 2007 to 2015. Since leaving elected public service, he has led the public-private partnership working to bring the 2027 World Expo to Minnesota and he has served on the board of directors for LifeSource, Communicating for America, U.S. Vote Foundation, and Expo USA. He is also a national advisory board member of the federal Election Assistance Commission.

Kim Stanley Robinson is the author of many works of science fiction, including the internationally bestselling Mars trilogy, and more recently Red Moon, New York 2140, and The Ministry for the Future. His work has been translated into 25 languages, and won awards including the Hugo, Nebula, and World Fantasy awards. In 2016, asteroid 72432 was named “Kimrobinson.”

Leila Sadat is the James Carr Professor of International Criminal Law at Washington University School of Law and the director of the Whitney R. Harris World Law Institute. She is an internationally recognized expert on the International Criminal Court (ICC) and served as Special Advisor on Crimes Against Humanity to Chief Prosecutor Fatou Bensouda of the ICC. She is also the director of the Crimes Against Humanity Initiative, a multi-year project to study the problem of crimes against humanity and draft a comprehensive convention addressing their punishment and prevention. She is a former member of the U.S. Commission on International Religious Freedom, served as the Alexis de Tocqueville Distinguished Fulbright Chair at the University of Cergy-Pontoise in Paris, and is the author of several books.

Martin Sheen is an Emmy Award-winning and Golden Globe Award-winning actor who has worked with directors including Francis Ford Coppola and Oliver Stone, in addition to starring as the U.S. president on the long-running television drama “The West Wing.” In his early days as a struggling actor in New York, he met activist Dorothy Day, beginning his lifelong commitment to social justice.

The self-described pacifist was an early opponent of the 2003 U.S. invasion of Iraq and has been a consistent opponent of nuclear arms. As honorary mayor of Malibu, California in 1989, he declared the city a nuclear-free zone. Nearly 20 years later, Sheen was arrested during a protest at the Nevada Test Site. Sheen said in 2009 that he had been arrested 66 times for acts of civil disobedience, leading one activist to declare Sheen to have “a rap sheet almost as long as his list of film credits.”

Sheen has also been active in anti-genocide and pro-immigrant causes, as well as in the environmental movement. In 2010, he told a crowd of young people, “While acting is what I do for a living, activism is what I do to stay alive.” In a 1963 episode of “The Outer Limits,” he portrayed a future astronaut wearing a large breast patch that read “UE. Unified Earth.”