Amb. Geoffrey R. Pyatt McLarty Associates Senior Managing Director for Energy and Critical Minerals Ambassador Geoffrey Pyatt is Senior Managing Director of the Energy and Critical Minerals Practice at McLarty Associates, an international strategic advisory firm, and a distinguished fellow at the Atlantic Council's Global Energy Center. He held a variety of senior leadership positions across a distinguished 35-year career in the US Foreign Service. As Assistant Secretary of State for Energy Resources (2022-2025), he was the United States' chief energy diplomat, leading US diplomacy to mobilize international support for Ukrainian energy resilience and counter Russian weaponization of its energy resource. Amb. Pyatt also led negotiations with US allies on energy security partnerships and critical mineral agreements. Amb. Pyatt served as Ambassador to Greece (2016-2022) across the Obama, Trump and Biden administrations and was US Ambassador to Ukraine (2013-2016). Earlier in his career, Amb. Pyatt was the Principal Deputy Assistant Secretary of State for South and Central Asian Affairs as well as Deputy Chief of Mission at the US Mission to International Organizations in Vienna, Austria, where he represented the United States before the IAEA. Amb. Pyatt was nominated to Career Ambassador – the highest rank in the US Foreign Service – and is the recipient of numerous federal honors, including the Presidential Meritorious Service Award and Secretary of Defense Meritorious Civilian Service Award. He serves in several corporate advisory roles, including the Excelerate Energy international advisory board and U.S.-India Business Council board of directors.