Ambassador Geoffrey Pyatt leads the McLarty Energy and Critical Minerals Practice and contributes to our Europe, Eurasia and South Asia practices. During a 35-year career in the Foreign Service, Amb. Pyatt managed complex challenges across issues of international energy, military cooperation, regional geopolitics, and European and Asian affairs.

Amb. Pyatt most recently served as Assistant Secretary of State for Energy Resources (ENR) where he led the G7+ effort to mobilize international support for Ukraine's energy resilience and reduce Russia's energy revenues. As America's chief energy diplomat, Amb. Pyatt advanced energy partnerships with key allies and partners including Japan, the Republic of Korea, India, Australia, Brazil, and the European Union, and directed US diplomatic efforts to diversify supply chains for critical minerals to power the energy transition.

Prior to his confirmation as Assistant Secretary, Amb. Pyatt was U.S. Ambassador to Greece during the Obama, Trump and Biden administrations, and Ambassador to Ukraine from 2013 to 2016. Among other recognitions Amb. Pyatt is a recipient of the Secretary of Defense Meritorious Civilian Service Medal (DoD’s second highest civilian honor) and the Secretary of State's Distinguished Honor Award. He holds a MA in international relations from Yale University and a BA in political science from the University of California, Irvine.