Dr Patricia Lewis

Research Director; Director, International Security Programme

Headshot of Patricia Lewis


Dr Patricia Lewis leads the International Security programme at Chatham House.

Previously she served as deputy director and scientist-in-residence at the Center for Nonproliferation Studies at the former Monterey Institute of International Studies; director of the UN Institute for Disarmament Research; and director of the Verification Research, Training and Information Centre in London.

She was on Hans Blix’s 2004–06 WMD Commission; the 2010–11 advisory panel on the future priorities of the Organisation for the Prohibition of Chemical Weapons; and was an adviser to the 2008–10 International Commission on Nuclear Non-proliferation and Disarmament.

She received the American Physical Society’s 2009 Joseph A Burton Forum Award for ‘outstanding contributions to the public understanding or resolution of issues involving the interface of physics and society’.

She has a PhD in nuclear physics from Birmingham University, and graduated in physics from Manchester University.

Past experience

2016 -Member, High Level Experts on Space Group, European External Action Service
2012 -Member, International Advisory Board, The Centre for Nuclear Non-proliferation and Disarmament
2008 - 2012Deputy Director and Scientist-in-Residence, James Martin Center for Nonproliferation Studies, Monterey Institute of International Studies, Middlebury College, USA
1997 - 2008Director, United Nations Institute for Disarmament Research (UNIDIR), Geneva, Switzerland
1989 - 1997Director, Verification Training, Research and Information Centre (VERTIC), UK