Our People

Staff Profile

Theo Kalionzes

Program Officer

Theo manages grants on nuclear issues. Before coming to MacArthur, he was at Carnegie Corporation of New York, where he was a Program Assistant in the International Peace and Security Program. Previously Theo worked as a consultant and speechwriter in the External Relations section of the Comprehensive Nuclear-Test-Ban Treaty Organization in Vienna, Austria. He also spent time at Lawrence Livermore National Laboratory under the aegis of the National Nuclear Security Administration’s Next Generation Safeguards Initiative.

Theo holds a Master of Arts in International Policy Studies from the Middlebury Institute of International Studies at Monterey, a certificate in Nonproliferation Studies from the James Martin Center, and a Bachelor of Arts in history from the University of California, Berkeley, where he graduated Phi Beta Kappa.

Theo Kalionzes works on the following MacArthur programs and projects:

Nuclear Challenges

International Peace & Security