Prof. Wolfgang Kellerer has been appointed as a member of the Scientific Advisory Board (Wissenschaftlicher Beirat) of the Wissenschaftliches Institut für Infrastruktur und Kommunikation (WIK),
https://www.wik.org/en/about-us/boards
For more than 40 years WIK stands for independent research and consulting in the fields of telecommunications, digitisation, internet and data economy, smart energy, postal services and logistics. (from the WIK webpage: https://www.wik.org/en/).