Mariano-Florentino Cuéllar

Board member since 2014. Menlo Park, Calif.

Mariano-Florentino (Tino) Cuéllar is the tenth president of the Carnegie Endowment for International Peace. A former justice of the Supreme Court of California, he served two U.S. presidents at the White House and in federal agencies, and was a faculty member at Stanford University for two decades. He is a member of the U.S. Department of State’s Foreign Affairs Policy Board.

At Stanford he was the Stanley Morrison Professor of Law and (by courtesy) Political Science. He directed the university’s Freeman Spogli Institute for International Studies, and previously, co-directed its Center for International Security and Cooperation. During nearly seven years on California’s highest court, while continuing to teach at Stanford, he wrote opinions addressing separation of powers and federalism, policing and criminal justice, democracy, technology and privacy, international agreements, and climate and environmental policy among other issues, and led the court system’s efforts to better meet the needs of millions of limited English speakers.

A member of the American Academy of Arts and Sciences, Cuéllar has published widely on American institutions and public law, international affairs, political economy, and technology’s impact on law and government. In the first term of the Obama administration, he led the White House Domestic Policy Council’s teams working on civil and criminal justice, public health, immigration, and regulatory reform. He also co-chaired the U.S. Department of Education’s Equity and Excellence Commission, and earlier, co-chaired the Obama-Biden Transition Immigration Working Group. He began his career at the U.S. Department of the Treasury in the second term of the Clinton administration.

In addition to chairing the board of the William & Flora Hewlett Foundation, he serves on Harvard University’s primary governing board (the Harvard Corporation), and on the OECD’s Panel of Experts on Artificial Intelligence Futures. Previously, he chaired the boards of the Center for Advanced Study in the Behavioral Sciences and the Stanford Institute for Innovation in Developing Economies, and was a presidential appointee to the Council of the U.S. Administrative Conference. Born in Matamoros, Mexico, he grew up primarily in communities along the U.S.-Mexico border. He graduated from Harvard College and Yale Law School, and received a Ph.D. in political science from Stanford University.

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