Thomas Gerhart Speidel serves as the Chief Executive Officer of ADSE and a director of ADSE Holdco. He founded ADSE GM in 2017 and serves as its chief executive officer. Prior to that he served as chief executive officer and managing director of ads-tec, which was founded by his father, Hans-Herman Speidel, and the ads-tec Group.
He is a member of several boards and committees, including the Fraunhofer ISE Board of Trustees (since 2018) and the Expo Energy Storage Europe exhibition advisory committee (since 2019), and has served as president of the German Energy Storage Systems Association since 2016. He holds a degree in electrical engineering from the University of Stuttgart.