Macmanus, Joseph Estey, 1953-

Joseph Estey Macmanus (born 1953) is an American diplomat who served as Executive Secretary of the United States Department of State from 2014 to 2017. Prior to that, he served as the U.S. Ambassador to International Organizations in Vienna from 2012 to 2014, as well as interim coordinator for efforts to implement President Barack Obama's Iran Nuclear Deal in 2015. He was President Donald Trump's nominee to become United States Ambassador to Colombia. This nomination was reported favorably by the Senate Committee on Foreign Relations in May 2018, but was returned to the President at the close of the 115th Congress without consideration by the full Senate. In May 2019, it was announced that Philip Goldberg would replace Macmanus as nominee to be the next United States Ambassador to Colombia.

A graduate of the University of Notre Dame and the State University of New York at Buffalo, Macmanus is a career foreign service officer, having entered the Foreign Service Institute in 1986. In his time at the State Department, he served as top aides to former Secretaries of State Condoleezza Rice and Hillary Clinton. He served as Deputy Assistant Secretary of State for Legislative Affairs from 2005-2008, and again from 2011-2012.

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