Ruben is a Graduate Professional in the Conventional Arms and Ammunition Programme. Before joining UNIDIR, he worked with the Stockholm International Peace Research Institute (SIPRI) on dual use and arms trade control as an intern.
Ruben recently graduated from the Graduate Institute Geneva with a Master's degree in Development Studies and holds a Bachelor's degree in Governance from the University of Freiburg.
His research interests include small arms, weapons and ammunition management, and the nexus between arms control, conflict, and development. He speaks German, English, and Norwegian.