Olaf Berlien is a businessperson who has been the head of 13 different companies. Presently, Dr. Berlien is Chairman-Supervisory Board at OSRAM Opto Semiconductors GmbH & Co., Chairman-Management Board at OSRAM GmbH and Co-Managing Director at OSRAM Beteiligungen GmbH. Dr. Berlien is also on the board of Droege Group AG and LeddarTech, Inc. In the past he held the position of Chief Executive Officer at TK Elevator GmbH, Chief Executive Officer-Division Technology at ThyssenKrupp AG Chairman-Supervisory Board for Thyssenkrupp Marine Systems GmbH, Chairman for Thyssenkrupp Elevator Americas Corp. Chairman for Berco SpA, Chairman of Thyssenkrupp (China) Ltd. and Chief Executive Officer of ThyssenKrupp Technologies AG (which are all subsidiaries of ThyssenKrupp AG), MD-Buderus Hungary & Head-Controlling Division at Buderus Heiztechnik GmbH, Chairman-Supervisory Board of Ledvance GmbH, Managing Director at Carl Zeiss Industrielle Messtechnik GmbH, Chief Executive Officer for M+W Group GmbH, Chief Executive Officer at OSRAM Licht AG, Chief Financial Officer & Controller at Carl Zeiss AG and Head-Plans & Controls at IBM Deutschland GmbH. Dr. Berlien received a doctorate from Technical University of Berlin.