Volker looks back at more than 20 years of work experience in international cooperation, among others as Deputy Head of Mission a.i. (OSCE, Bishkek), Head of Politico-Military Affairs (OSCE, Georgia), Senior Economic and Environmental Officer (OSCE, Bishkek), Political Affairs Officer (UN, Dushanbe and Ashgabat), and Political Analyst (OSCE Election Observation Missions in Moldova, Uzbekistan, Ukraine and the UK).

Volker holds a PhD in Political Science/International Relations. He speaks German, English, Russian, and Armenian, and is a member of the ZIF Expert Roster.