Johannes-Georg Voll (37) has been the new chairperson of the management board of the Karlsruhe-based adisoft AG since July 1 and he has in executive management in this software company since 2001. His predecessor was the founder of the company Karl Schlagenhauf (55), who is taking on the chair of the supervisory board. adisoft is the leading specialist for mobile data communication since it emerged as a spin-off of the University of Karlsruhe in 1978.