Welcome!

Tom Bielefeld is a nuclear security researcher and consultant. His areas of expertise are in nuclear and radiological terrorism prevention and response as well as in nuclear nonproliferation. He is based in Erlangen and Bremen (Germany).

Trained as a physicist, Bielefeld has built his professional career at the intersection of science and nuclear security policy, both in his native Germany and in the United States. Before starting his consultancy, he held research positions at the Harvard Kennedy School's Belfer Center for Science and International Affairs and at the Bremen State Radioactivity Measurements Laboratory. He was also a research associate at Hamburg University’s Institute for Peace Research and Security Policy as well as a research affiliate with the Science, Technology, and Global Security Working Group at the Massachusetts Institute of Technology.

Bielefeld is a member of the International Nuclear Security Forum (INSF), of the World Institute for Nuclear Security (WINS), and of the Institute for Nuclear Materials Management (INMM).

Analysis, Training, and Consulting for Nuclear Security and Nonproliferation.

Note that this site and its subpages are currently under (re)construction.

Please contact me at Tom.Bielefeld[at]gmail.com .

Image Credits for Tom Bielefeld - Homepage

• Photos used for the site banner by Tom Bielefeld.

Tom Bielefeld, URL: <https://sites.google.com/site/tombielefeld/> (v/ N0/2021)