Written evidence submitted by Dr. Ulrich Petersohn (WGN0004)


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University of Liverpool, 8-11 Abercromby Square, Liverpool, L69 7ZW



Expertise: Ulrich Petersohn is a Senior Lecturer in International Politics at the University of Liverpool (UoL). Since 2006, he has been researching Private Military and Security Companies, and Mercenaries. He has provided evidence on the subject to the United Nations Working Group on Mercenaries, given talks to the Forum of the Montreux document as well as to various governments and armed forces, and has published extensively on the topic in academic outlets. UoL researcher website: https://www.liverpool.ac.uk/politics/staff/ulrich-petersohn/


(1)   Mapping trends: the combat market segment in perspective


Figure 1: Contracting by service from 1980-2016












Figure 2: Combat contracting by type of commercial military actor


(2.) Harming civilians? Civilian victimization in civil wars


(3.) Prolonging hostilities? CMAs and civil war termination



(4) Data source for all findings: The Commercial Military Actor Dataset (CMAD)









April 2022



[1] https://www.eda.admin.ch/eda/en/fdfa/foreign-policy/international-law/international-humanitarian-law/private-military-security-companies/montreux-document.html