Stockholm International Peace Research Institute
I worked as project leader for research in arms transfers and arms production from 1989 to 1992 at SIPRI. Now a member of the Scientific Council
Bonn Internation Center for Conversion
Founding Director from 1994 – 2001; since then associate researcher.
Institut für Entwicklung und Frieden
Adjunct Senior Fellow
ACPACS = Australian Center for Peace and Conflict Studies, Queensland University, Brisbane
Visiting scholar in 2007 and 2010. Research in the project on "The state and violence: building sustainable peace"
Peace and Conflict Stuides Institute Australia
PaCSIA succeeded ACPACS in 2010
National Centre for Peace and Conflict Studies
University of Otago, New Zealand, Research Associate.
International Security Information Service Europe
Chairman of the Governing Board 2001 - 2007.
Wissenschaft und Frieden
(Journal for Science and Peace)
Chairman of the Board since 2003
The Economics of Peace and Security Journal
Associate Editor since 2006
Geneva Center for the Democratic Control of the Armed Forces
Member of the Advisory Board until 2004. Author of occasional papers and yearbook chapters.