Executive board
Karl Lingel
Founder
Chairman of the Executive Board
Gabriele Seitz
Founder
Member of the Executive Board
Divisional heads and
members of extended management board
Johannes Schmidt
Branch Manager Aachen
Dirk Schmidt
Branch Manager Zella-Mehlis
Office Manager Erfurt
Dr. Manfred Rahe
Head of Business Unit
Innovation + Process Management
Divisional heads
Ralph Hirschberg
Branch Manager Enge-Sande
Bernhard Weigl
Branch Manager Pfarrkirchen
Dr. Ricardo Greenfield
Branch Manager Porto, Portugal
