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.Before serving on California’s highest court, he was the Stanley Morrison Professor of Law, Professor (by courtesy) of Political Science, and director of the Freeman Spogli Institute for International Studies at Stanford.

He chairs the board of the William & Flora Hewlett Foundation and is a member of the Harvard Corporation. He currently serves on the U.S. Department of State’s Foreign Affairs Policy Board.

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.