Isabelle Williams

Isabelle Williams serves as a senior director for NTI’s Global Nuclear Policy Program. In this role, she serves as Project Lead for Horizon 2045 (a collaborative project co-founded by NTI), manages regional partnerships, and supports NTI’s efforts to strengthen global nuclear risk reduction and disarmament efforts.

Isabelle Williams joined NTI in 2007 and serves as senior director on the Global Nuclear Policy Program. As part of this work she helps coordinate the international strategy of the program, managing the work of NTI’s global partners who conduct various activities in their countries and regions to promote reducing reliance on nuclear weapons and reducing global nuclear risks. Her areas of focus also include NATO nuclear policy, UK nuclear policy, nuclear disarmament, and U.S.-Russia relations.

Williams came to NTI from the Partnership for Global Security, where she managed their next generation nonproliferation program and was previously a research associate at the Chemical and Biological Arms Control Institute where she focused on research relating to chemical weapons, biosecurity and bioterrorism preparedness and response. She also held successive positions at the International Institute for Strategic Studies in London. Williams holds a bachelor’s degree and master’s degree (Hons) in International Studies both from the University of Leeds, UK.