Theo Siegert is a German businessperson who has been at the head of 6 different companies. Dr. Siegert is Chairman-Management Board at Schmalenbach Foundation, Vice President & Treasurer at Industrie-Club e.V. Düsseldorf and Managing Partner at De Haen Carstanjen & Söhne GmbH.
He is also on the board of Henkel AG & Co. KGaA and E. Merck KG and Chairman-Supervisory Board for Stiftung Marktwirtschaft GmbH.
In the past he was Commercial Director at Haniel Umweltschutz GmbH, Chairman-Supervisory Board for McKesson Europe AG, Member-Supervisory Board at METRO AG and Chairman-Management Board at Franz Haniel & Cie. GmbH.
Theo Siegert received a doctorate, an MBA and an undergraduate degree from Ludwig-Maximilians-Universität München.