RSBG SE, which has its headquarters in Essen, is a holding subsidiary of the RAG-Stiftung. Our shareholdings generate a part of the income that the RAG-Stiftung uses to finance the perpetual obligations resulting from Germany’s hard coal mining industry.

Markus Bohni is a seasoned expert in the private equity business with over 25 years of experience in corporate acquisitions, value creation strategies, and business transformation processes. After completing his economics studies at the University of St. Gallen (HSG) and earning an MBA from Chicago Booth, he began his career in corporate finance/M&A at SG Warburg in London. Following its merger with UBS, he transitioned into the private equity industry in 1998. At UBS Capital and later at Permira starting in 2000, he played a key role in numerous significant investment transactions and transformation processes.
In 2011, Markus Bohni became self-employed, leveraging his extensive expertise in the SME sector, where he supported portfolio companies of family offices and financial investors in executing value creation strategies and restructurings. Beyond investment consulting, Markus also took on operational roles, such as the strategic realignment of Bilfinger SE and the restructuring of its energy division. Since November 2024, he has been applying his profound knowledge and extensive experience as CEO of RSBG SE.

After studying law at the Westfälische Wilhelms University (WWU) of Münster, Jan initially worked as a research assistant at the Institute for International Business Law at the WWU. During this time he did his doctorate on the subject of “Creditor protection and shareholder liability in cash pooling”. After teaching and research stays in Beijing, among other places, and a legal clerkship in Düsseldorf and Washington, D.C., Jan began his professional career as a lawyer in the Corporate/M&A department at Clifford Chance LLP in Düsseldorf. Since the beginning of 2015, Jan has been entrusted with the establishment and further development of RSBG SE, of which he has been COO since August 2021. Jan has more than ten years of experience in national and international M&A business, restructuring and portfolio management with a focus on investments in the areas of pharmaceuticals and life sciences, industrial automation and robotics, high-tech manufacturing, and digitalization solutions and media technology.

Cathrin Hirsch holds a Master's degree in Business Administration from the University of Augsburg. She has more than 20 years of experience in various industries, including more than 10 years with profit &loss
responsibility ni international companies. She has studied, lived and worked ni the USA, France and the Netherlands, including for thyssenkrupp, Röchling and Carcoustics. She has a proven track record ni restructuring and reorganisations, driving financial transformation and continuous improvement, change and risk management, business development, compliance and investor relations.
With her multinational leadership experience and international mindset, she has been appointed as CFO of RSBG ES since January 2025.