Management Board

Professional Career

Rolf Buch has been member of the Management Board and Chief Executive Officer of Vonovia SE since 2013.

After training as a bank clerk and studying mechanical engineering and business management, he began his career as an assistant to the management at Bertelsmann Distribution GmbH in Gütersloh in 1991. In 1996, he was promoted to managing director of Bertelsmann Services France and became a member of the management board of arvato AG in 2002.In 2008, became Chairman of the Management Board (CEO) of arvato AG and was appointed to the management board of Bertelsmann SE & Co. KGaA. He was appointed Chairman of the Management Board (CEO) of the company now known as Vonovia SE in 2013. After taking up his office, Rolf Buch led Vonovia as it entered the stock exchange.Vonovia SE was promoted to Germany’s leading index, the DAX 30 (now the DAX 40), in 2015. The company is Europe’s largest residential real estate company. Rolf Buch is a member of the executive board of the German Association of German Housing and Real Estate Companies (GdW), vice president of the German central real estate committee Zentraler Immobilien Ausschuss (ZIA) and the German Association for Housing, Urban and Spatial Development, member of the Board of Directors of the European Public Real Estate Association ERPA in Brussels and moderator for the Initiative for the Ruhr region (Initiativkreis Ruhr).


Academic Career: Rolf Buch had studied Mechanical Engineering and Business Administration at RWTH Aachen University.

Further Appointments and Mandates*:

• Kötter Group (Member of the Council of Shareholders)
• Apleona GmbH (Member of the Supervisory Board and the Board of Shareholders)

Professional career

Philip Grosse has been member of the Management Board of Vonovia SE as Chief Financial Officer since January 2022.

After studying business management, he worked in investment banking in Frankfurt and London between 1997 and 2012, most recently as Managing Director and Head of Equity Capital Markets Germany & Austria at Credit Suisse. As of 2013, Philip Grosse worked in leadership roles focusing on corporate finance and investor relations for the Deutsche Wohnen Group. He was appointed to the Management Board of Deutsche Wohnen as CFO in 2016.

Further Appointments and Mandates*:

• QUARTERBACK Immobilien AG (Member of the Supervisory Board)
• AVW Versicherungsmakler GmbH (Member of the Supervisory Board since July 2023)

Professional Career

Ruth Werhahn joined the Management Board of Vonovia SE on October 1, 2023, as Chief Human Resources Officer (CHRO).

Starting in 2018, Ruth Werhahn was member of the Executive Board and Labor Relations Director at TÜV Rheinland AG. As well as heading up the HR division, she was responsible for the international regions, coordinating cross-divisional activities of the technical inspection body.

A qualified lawyer, she started her career in HR at Düsseldorfer Veba AG in 2000. Starting in 2001, she held various positions within the newly established E.ON Group. From 2004 until the end of 2007, for example, she headed up the central staff function for the Board of Management and Supervisory Board before moving to the management of E.ON Nordic AB in the Swedish city of Malmö in 2008, where she assumed responsibility for business development and mergers & acquisitions. In the period from 2010 to 2013, she led the establishment of the new electromobility business area within the E.ON Group. Ruth Werhahn returned to HR in 2013 and went on to take over at the helm of the HR division for E.ON SE’s German business.

Further Appointments and Mandates*:

• LVM Lebensversicherungs-AG (Member of the Supervisory Board)
• LVM Pensionsfonds-AG (Member of the Supervisory Board; affiliated with LVM Lebensversicherungs-AG)
• Oras Invest Ltd. (Member of the Board of Directors)
• Wilh. Werhahn KG, Neuss (Member of the Supervisory Board)