Geoffrey R. Pyatt, a career member of the Foreign Service, class of Career Minister, was sworn in as Assistant Secretary for Energy Resources on September 19, 2022.

Ambassador Pyatt served as U.S. Ambassador to Greece from 2016 to 2022 and U.S. Ambassador to Ukraine from 2013 to 2016.  Among other recognitions, he received the State Department’s Robert Frasure Memorial Award in recognition of his leadership of the U.S. response to Russia’s invasion of Crimea and eastern Ukraine in 2014.

Previously, Ambassador Pyatt was Principal Deputy Assistant Secretary of State in the Bureau of South and Central Asian Affairs from 2010-2013. He was Deputy Chief of Mission at the U.S. Mission to the International Organizations in Vienna, Austria from 2007 to 2010. He also served three times at the U.S. Embassy in New Delhi, India, as Deputy Chief of Mission from 2006 to 2007, Political Counselor from 2002 to 2006, and Political Officer from 1992 to 1994.  Ambassador Pyatt was Economic Officer at the U.S. Consulate General in Hong Kong from 1999 to 2002 and Principal Officer at the U.S. Consulate General in Lahore, Pakistan from 1997 to 1999.  Since joining the Foreign Service in 1989, he has also served on the National Security Council staff, on the staff of Deputy Secretary Strobe Talbott and at the U.S. Embassy in Honduras.

Prior to joining the Foreign Service, he worked with The Inter-American Dialogue, a Washington-based think tank that brings together leading citizens of the Americas.

Ambassador Pyatt grew up in La Jolla, California and holds a Master’s degree in International Relations from Yale and B.A. in Political Science from the University of California, Irvine.