Dr. Christoph Preuß

CEO and Country Manager Ipsos in Germany

Executive Leadership Team (ELT)

Thomas Allerstorfer



Julia Uebelacker

Director, Human Resources


Inga Havemann

Senior Director, Service Line Cluster Lead


Dr. Inga Seecker

Director, Service Line Lead Healthcare


Matthias Kraus

Director, Service Line Lead Customer Experience

Tobias Michael

Senior Director, Head of Operations


Janet van Rossem

Senior Director, Head of MarComs, Service Line Lead IUU


Harald Hasselmann

Senior Director, Service Line Cluster Lead


Dr. Oliver Hupp

Director, Service Line Lead Brand Health Tracking

Global management

Find out more about Ipsos management.