The Foreign Affairs Policy Board is an advisory board that provides independent advice and opinion to the Secretary of State, the Deputy Secretary of State, and the Director of Policy Planning on matters concerning U.S. foreign policy. The Board reviews and assesses global threats and opportunities, trends that implicate core national security interests, tools and capacities of the civilian foreign affairs agencies, and priorities and strategic frameworks for U.S. foreign policy. The Board meets in a plenary session several times a year at the U.S. Department of State in the Harry S. Truman Building.

Mariano-Florentino "Tino" Cuéllar is an American scholar, academic leader, public official, jurist, and nonprofit executive currently serving as the 10th president of the Carnegie Endowment for International Peace. He was previously a Justice of the Supreme Court of California, the Stanley Morrison Professor of Law at Stanford University and director of Stanford's Freeman Spogli Institute for International Studies, and an executive branch official in the Clinton and Obama administrations. His publications address problems in American public law, international affairs and international law, artificial intelligence, public health and safety law, and institutions and organizations. He serves on the State Department's Foreign Affairs Policy Board. A member of the American Academy of Arts and Sciences and the National Academy of Sciences Committee on the Social and Ethical Implications of Computing Research, he serves as chair of the board of the William and Flora Hewlett Foundation. He was born in Northern Mexico.