Dr. Christoph Preuß

CEO and Country Manager Ipsos in Germany

Senior Management Team

Martin Hellich

Chief Client Officer


Thomas Allerstorfer



Julia Uebelacker

Director, Human Resources


Inga Havemann

Senior Director, SL Cluster




Thomas Kästner

Regional Director IT Europe


Tobias Michael

Senior Director, Head of Operations


Janet van Rossem

Senior Director, Head of MarComs, Head of IUU


Harald Hasselmann

Senior Director


Global management

Find out more about Ipsos management.