Gerhard Mack serves as the Chairman of the Board for both metrofibre and Ruhrfibre Essen GmbH since February 2023. Previously, from February 2006 to March 2022, Mack held various senior leadership roles at Vodafone, including CTO, Managing Director of Commercial Operations, COO and Managing Director of Kabel Deutschland, as well as SVP of Technical Operations and SVP of Internet & Phone for Kabel Deutschland. Prior to Vodafone, Mack was the General Manager of Optical Networks at Alcatel from 1992 to 2005. Mack received education from INSEAD.