Dr. Sebastian Hirsch joined GRENKE in 2004. Having held senior positions in Controlling at GRENKE AG and served as a member of the Board of Directors at GRENKE BANK AG, Dr. Hirsch joined GRENKE AG in 2013, first as a General Manager and since 2017 as a member of the Board of Directors with responsibility for Controlling, M&A, Treasury, Legal, Tax and Investor Relations. On 1 December 2022, he took over the chairmanship of the Board of Directors from Michael Bücker, initially on an interim basis. On 16 February 2023, he was appointed Chief Executive Officer. Dr. Hirsch continues his duties as CFO on an interim basis.
Raised in Alsace, finance, marketing and strategy specialist Gilles Christ has been with GRENKE since 1998. Since then he has been responsible, among other things, for establishing the company in France and other countries. Since May 2010, Christ has been a member of the Board of Directors, with responsibility for Marketing and Sales.
Since January 1, 2021, Isabel Rösler strengthens the Board of Directors as the Chief Risk Officer (CRO). In this newly created role, she is responsible for key internal control functions such as risk control, compliance, money laundering prevention and data protection. She is also in charge of the Credit Centre and the Administration Department. After graduating with a her degree in Business Administration, Ms Rösler worked in auditing and in the management of Landesbank Baden-Württemberg, and was most recently the Managing Director of SüdLeasing GmbH and SüdFactoring GmbH.
Accounting / Taxes
Brand Management
Administration
Controlling
Sales
Compliance
Corporate Communications
Services
Corporate Credit
ESG
Data Proctection
Human Resources
Internal Audit
Investor Relations
Risk Management
IT
Legal
M&A
Portfolio Management
Program „Fast Forward Digital“
Property- & Facility-Management
Treasury / Corporate Finance