Dr. Volker Ruloff
Dr. Volker Ruloff (born 1948) is Chairman of the Supervisory Board of Tele Columbus AG since August 2019, after being a Member of the Supervisory Board from June 2017 to October 2018. He is currently a self-employed consultant for telecommunications and media. Previously, he has been on the Supervisory Board of Versatel, Finance Director of Vodafone Deutschland GmbH and Chief Financial Officer of Arcor AG.
Claus Beck (born 1965) is a member of the Supervisory Board of Tele Columbus AG since August 2019. He is currently Chief Technology Officer of 1&1 Versatel GmbH. Previously, he served as Vice President Network Engineering for UPC Cablecom in Austria and Switzerland and Head of Network- and Infrastructure operations at Kabel Deutschland GmbH, amongst others.
Hüseyin Dogan (born 1979) is a member of the Supervisory Board of Tele Columbus AG since August 2019. As Chief Operations Officer (COO), he is responsible for the operating business of STRATO AG since 2018. Furthermore, he serves as COO for 1&1 Internet SE since 2017. Previously, he held various leading positions, including roles in the finance department of General Electric and was responsible for the customer service and the customer experience at Amazon Germany.
Dr. Susan Hennersdorf
Dr. Susan Hennersdorf (born 1967) is a member of the Supervisory Board of Tele Columbus AG since February 2017. She is managing partner of cresc. GmbH and member of the Supervisory Board of Verbund AG, Austria. Previously, she has been General Agent for Sales, Marketing and Operations at EnBW AG, Managing Director retail sales and member of the managing board at Vodafone Deutschland GmbH as well as CEO of the retailer Staples Inc. in Germany, amongst others.
Stefan Rasch (born 1962) is a member of the Supervisory Board of Tele Columbus AG since August 2019. He serves as Managing Director and Senior Partner at Boston Consulting Group. At Boston Consulting Group, he built up and led the group “Retail goods, trade and media“ in Germany. Furthermore, he led the group “Transformation” in Europe for several industries.
Michael Scheeren (born 1957) is a member of the Supervisory Board of Tele Columbus AG since August 2019. He has been CFO of the United Internet AG from 1991 to 2001 and is Member of their Supervisory Board since 2002. Previously, he held various roles in the banking industry, including roles at the Hessische Landesbank and the Nassauischen Sparkasse Wiesbaden.