PhD, University of London. With the Stockholm International Peace Research Institute (SIPRI): former Director, Arms Control and Non-proliferation Programme; currently, Director. Author of five monographs and Editor of four volumes on arms control related topics, including: Reforming Nuclear Export Controls: The Future of the Nuclear Suppliers Group (2007); Reducing Threats at the Source: A European perspective on cooperative threat reduction (2004); Russia and the Arms Trade (1998); A Future Arms Control Agenda (2001).