Klaus Rinnerberger is a businessperson who has been the head of 5 different companies and presently holds the position of Chairman-Supervisory Board at LEONI AG, Chairman-Supervisory Board at SHW AG and Co-Managing Director at SHW Beteiligungs GmbH.

He is also on the board of Pankl Racing Systems AG and Pankl AG and Member-Management Board at Pierer Industrie AG, General Manager at PF Beteiligungsverwaltungs GmbH and Member-Management Board at Pankl SHW Industries AG.

Klaus Rinnerberger previously occupied the position of Chief Financial Officer of Chocoladefabriken Lindt & Sprüngli AG and Chief Financial Officer of Lindt & Sprüngli (Austria) GmbH (a subsidiary of Chocoladefabriken Lindt & Sprüngli AG), Chief Financial Officer of Polytec Holding AG, Chief Financial Officer at Trans Austria Gasleitung GmbH, Auditor for Arthur Andersen & Co. (Austria), Chairman-Supervisory Board of Schwäbische Hüttenwerke Automotive GmbH, Chief Executive Officer of Peguform Group, Chief Financial Officer for Magna Steyr AG & Co. KG, Chief Financial Officer at VA Tech Transmission & Distribution GmbH & Co KEG, Chief Financial Officer for 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.