Morten Tastum is the Assistant to Amb. Simonyi at the Center for Transatlantic Relations at SAIS. Previously, he was at the US Senate as a fellow for Senator Angus S. King Jr. focusing on foreign affairs and defense. Prior to this, Morten was employed at the non-profit Commonwealth Club of California as an assistant to the CFO and financial fellow.

Morten graduated with Master of Science in Foreign Service from the Georgetown University Edmund A. Walsh School of Foreign Service. His concentration was in Global Politics and Security and presented a thesis on the need for infrastructure development in the U.S. Arctic region and the effect on U.S. security. Morten further has a Bachelor of Arts in International Studies from the University of San Francisco with a concentration in European Studies. Morten speaks Danish, Swedish, and English.