US Secretary of State John Kerry has appointed Ambassador Stephen D. Mull as Lead Coordinator for Iran Nuclear Implementation.
Prior to his most recent position as US Ambassador to Poland, Mull served from 2010 to 2012 as Executive Secretary of the State Department, coordinating responses to a wide range of crises and managing the State Department’s support for the Secretary of State. From 2008 to 2010, Mull served as Senior Advisor to then-Under Secretary of State for Political Affairs William Burns, working on the range of issues related to Iran’s nuclear program and supporting Under Secretary Burns in his capacity as U.S. Political Director in the P5+1 negotiating process.
Then-U.S. Ambassador to Poland Stephen D. Mull speaks to the press after a flight in Polish F-16 jet fighter at the Poznan-Krzesiny Tactical Air Base in Poznan, Poland, in August
