Chairman of the TPG advisory board. Member of several advisory boards of medium-sized mechanical engineering companies and Member of the Board of the Karl-Schlotmann-Foundation.

Previous positions: Spokesman of the Executive Board of Stromag AG; Director of Sales at Phoenix AG; Head of Sales at Battenfeld Fischer Blasform Technik; Head of dowel development at Fischer. Dr. Onasch served also as a Member of the VDMA Board of Directors for 18 years.