As of October 1, 2025, Christoph Müller will become Head Banking Services and member of the Executive Board of SIX. He will succeed Dieter Goerdten, who will retire in February 2026. Christoph Müller has been with SIX since 2019 and was most recently Deputy Head Banking Services and Head Ecosystem Debit & ATM Services.
Christoph Müller will become Head Banking Services and Member of the Executive Board of SIX on October 1, 2025. Christoph Müller joined SIX in 2019 and served as Deputy Head Banking Services, where he leads the Debit, ATM, and TWINT processing business. He brings over 30 years of experience in the banking and payments industry. His professional journey includes leadership positions at Credit Suisse, and UBS, as well as co-founding a fintech startup. Christoph Müller holds an Executive MBA in Management of Technology from the École Polytechnique Fédérale de Lausanne & University of Lausanne and a bachelor's degree in business administration from Zurich University of Applied Science.
Christoph Müller replaces Dieter Goerdten, who reaches the regular retirement age in February 2026. Dieter Goerdten joined SIX in September 2018, initially as BBS Head Products & Solutions. After an interim period of heading the Swiss Euro Clearing Bank in Frankfurt in 2022, he assumed the role as Head Banking Services in December 2022. From October 1, 2025 until his departure, Dieter Goerdten will support Christoph Müller and continue to accompany various projects.
Bjørn Sibbern, CEO SIX: "I am very pleased that we have been able to appoint Christoph Müller, a highly competent internal candidate, to succeed Dieter Goerdten. Christoph Müller brings a strong combination of entrepreneurial mindset, deep industry expertise, and a hands-on approach to execution. He is excellently positioned to continue the successful growth trajectory of our banking services business. At the same time, I would like to thank Dieter Goerdten for his many years of successful commitment to SIX and the further development of the payment ecosystem and infrastructure in Switzerland under his leadership."