Executive, Divisional and Supervisory Board

Mark Schäfer has been Chief Production Officer since February 2025 and is responsible for the provision and operation of IT services as well as central IT governance, risk and compliance management.

Mark Schäfer has over 25 years of experience in the Managed Service Provider business in different responsibilities, also at T-Systems International amongst others. He joined the company in 2019, was Chief Information Security Officer and took responsibility of the internal IT Services.

Mark Schäfer graduated in electrical engineering (Dipl. Ingenieur Elektrotechnik (Univ)) at the FAU Erlangen-Nuremberg in 1997 and studied at the INSEAD Business School, at the IMD in Lausanne and the Cardiff University Prifysgol Caerdydd.

Alexandra Mülders has been Divisional Director at DATAGROUP SE since October 2023 and is responsible for Sales.

Her task is the overall management and coordination of all sales-related activities within the Group.

Alexandra Mülders joined the company in 2010 in connection with the acquisition of the then arxes Gmbh. She had already been responsible for Sales at arxes GmbH since 2001. Alexandra Mülders has been Managing Director of DATAGROUP Köln GmbH since 2010 and, at the same time, was also Managing Director of DATAGROUP BIT Düsseldorf GmbH for 3 years.

Over the many different stages in her career, she has held management positions within the sales division of IT companies from the very beginning.

Gerhard Kaminski has been Divisional Director HR at DATAGROUP SE since February 2025 and Managing Director of DATAGROUP Ulm since July 2023.

Gerhard Kaminski studied computer science, then worked as CIO in an internationally operating industrial engineering company and for the last 22 years at a leading building materials manufacturer. As a member of the management board, he was responsible for human resources, information technology, corporate communications and internal auditing.

In addition, Gerhard Kaminski has held advisory board mandates, functions in employers’ associations and is an honorary judge at the labor court.

Max H.-H. Schaber is Managing Partner of HHS Verwaltungs GmbH and founder of DATAGROUP SE, where he was Chief Executive Officer from 2006 until 2022. In 1983, Max H.-H. Schaber established DATAPEC, Gesellschaft für Datenverarbeitung mbH which later became DATAGROUP. In 1981, he completed his studies in mechanical engineering at the University of Stuttgart and as a chartered engineer (Diplom-Ingenieur (FH)) at the polytechnics in Augsburg and Reutlingen. Additionally, Max H.-H. Schaber is working for several companies as a serial entrepreneur.