Since October 2010, he has been the editor-in-chief of the Journal of Peace Research.

The authors of the main street bias critique published a formal paper on this idea in the Journal of Peace Research.

From 2004 until 2006 he was a member of the scientific council to the German Foundation for Peace Research.

In the 1960's he founded the Committee on Peace Research and later joined the Institute of Policy Studies.

Conflict Analysis and Peace Research often elicit useful perspectives from those involved in the conflict.

Journal of Peace Research, 11: 221 228.

Journal of Peace Research 48 (4), pp.

The Canadian Peace Research and Education Association was also their initiative.

Journal of Peace Research, 1 (1993), p. 390.

Since 1993 a list of all armed conflicts also appears in the acclaimed Journal of Peace Research.