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The following section provides information on GRENKE AG’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into GRENKE AG's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Sebastian Hirsch
Chief Executive Officer Senior ManagementMr. Sebastian Hirsch has been the Chief Executive Officer of the company since 2023. Previously, he served as the Chief Financial Officer and Deputy Chairman of the company. Mr. Hirsch also served as the General Manager at grenke Bank AG.
Martin Paal
Chief Financial Officer Senior ManagementMr. Martin Paal has been the Chief Financial Officer of the company since 2023. Previously, he served as the Head of Investment Controlling at DZ BANK AG. Mr. Paal also served as the Vice President Controlling and Senior Vice President of the company.
Isabel Tufet Bayona
Chief Operating Officer Senior ManagementMs. Isabel Tufet Bayona has been the Chief Operating Officer of the company since September 2025. Previously, she served as the Chief Transformation Officer at Santander Consumer Bank AG.
Isabel Rosler
Chief Risk Officer Senior ManagementMs. Isabel Rosler has been the Chief Risk Officer of the company since 2021. Previously, she served as the Managing Director at SudLeasing GmbH and SudFactoring GmbH 2. Ms. Rosler also served as an Auditor at PwC.
Gilles Christ
Chief Sales and Marketing Officer Senior ManagementMr. Gilles Christ serves as the Chief Sales and Marketing Officer at the company. Previously, he served as the Deputy Chairman of the company.
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