Justin Siberell oversees Bechtel’s Regions, Government Relations, and Corporate Security organizations. In this role, he leverages his strategic insight, diplomatic experience, and international relations expertise to support Bechtel’s five global business units deliver projects, build partnerships, and pursue new opportunities. From 2020-2024, Justin served as Region President for Europe, Africa and the Middle East.

Justin joined Bechtel in 2020 following a 27-year career in the U.S. Foreign Service, serving most recently as United States Ambassador to the Kingdom of Bahrain. He served as Principal Officer of the U.S. Consulate General in Dubai, United Arab Emirates, and completed earlier postings at U.S. diplomatic missions in Iraq, Egypt, Jordan, Tunisia and Panama. He is a graduate of the State Department’s Arabic language field school.

In Washington, Justin led the State Department’s Bureau of Counterterrorism as the U.S. Acting Coordinator for Counterterrorism, and held positions in the State Department’s Executive Secretariat, the Bureau of Near Eastern Affairs, and on the staff of the National Security Council at the White House.

Justin is a member of the American Academy of Diplomacy and the President’s Advisory Council on Doing Business in Africa. He serves on the Board of Trustees of the American Mission Hospital of Bahrain. He holds a Bachelor of Arts in History from the University of California at Berkeley. Justin and his wife Arnavaz have three children.