Søren has worked in the Ministry of Foreign Affairs since 1993, with a leave from 2003-2006. Working with business development, sales and project management with Danish IT company Mærsk Data and IBM. Søren also worked in the Danish IT Industry Association, focusing on IT security and financial sector IT.

When returning to the Ministry of Foreign Affairs in 2006, Søren managed the team of consultants at the Trade Department at the Danish Embassy in Warsaw. Søren has worked with the energy sector as a Trade Council key account manager to Vestas Windsystems and as board member of Danish biogas company, Hedeselskabet. He has extensive experience with EU, policy and political issues and communication, not least generated when working as Danish press spokesperson and private secretary to the Minister for European Affairs as well as press spokesperson to the Permanent representation of Denmark to the European Union in Brussels.

Søren is a lawyer by training and teaches law at the University of Copenhagen. He also serves as an external examiner at the universities of Copenhagen and Aarhus.