Holger holds a Masters Degree of business administration and economics of the University of St. Gallen (HSG), Switzerland with a major in Risk Management and Insurance. After his graduation he joined Aon Jauch & Hübener in Switzerland and specialized in consulting clients on insurance program structuring and the establishment and optimization of the use of captive re(insurance) companies. In 2009 Holger joined Siemens Financial Services GmbH as head of Insurance Risk Strategy and Financing. In 2010 Holger was appointed CEO of RISICOM Rückversicherung AG, the captive reinsurance company owned by Siemens AG and domiciled onshore in Germany. Since 2023 Holger is head of insurance at Siemens AG.