Dieter Keller-Giessbach serves as Vice President of Energy at Charles River Associates since October 2023. Previously, Dieter held the position of Director of Energy & Utilities at Guidehouse from November 2019 to October 2023, following Guidehouse's acquisition of Navigant, where Dieter also worked as Director of Energy & Utilities from January 2019 to October 2023. Additional experience includes roles as Sales Manager for EV Charging Solutions at Mobilisis GmbH, Partner at accentis Digital Advisory GmbH, and Interim Business Development Manager for Energy at Huawei Technologies. Earlier career highlights include being a Partner at IBM Deutschland GmbH and Detecon International GmbH, as well as a Senior Manager at Infosys and Principal at Capgemini sd&m. Dieter Keller-Giessbach holds a degree from The University of Freiburg.