Klaus Rinnerberger is a businessperson who has been the head of 5 different companies and presently occupies the position of Chairman-Supervisory Board at LEONI AG, Chairman-Supervisory Board for SHW AG and Co-Managing Director at SHW Beteiligungs GmbH. Mr. Rinnerberger is also on the board of Pankl Racing Systems AG, PIERER Mobility AG and Pankl AG and Member-Management Board at Pierer Industrie AG, General Manager for PF Beteiligungsverwaltungs GmbH and Member-Management Board at Pankl SHW Industries AG.

In the past Mr. Rinnerberger was Chief Financial Officer for Chocoladefabriken Lindt & Sprüngli AG and Chief Financial Officer at Lindt & Sprüngli (Austria) GmbH (a subsidiary of Chocoladefabriken Lindt & Sprüngli AG), Chief Financial Officer for Polytec Holding AG, Chief Financial Officer of Trans Austria Gasleitung GmbH, Auditor at Arthur Andersen & Co. (Austria), Chairman-Supervisory Board of Schwäbische Hüttenwerke Automotive GmbH, Chief Executive Officer of Peguform Group, Chief Financial Officer at Magna Steyr AG & Co. KG, Chief Financial Officer of VA Tech Transmission & Distribution GmbH & Co KEG, Chief Financial Officer of Tac GmbH, Member-Management Board at Magna Automobiltechik AG and Director-Management Board at CROSS Industries AG.

He received an undergraduate degree from the University of Vienna.