Marianne Sieker – Biography
Last update: February 12, 2026Executive profile
Marianne Sieker is currently
Head of Data Protection and Compliance at Transdev Germany - View - Transdev Germany org chart
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Company Colleagues
- At Transdev Germany, Marianne Sieker has 27 colleagues including Martin Becker-Rethmann (CEO & Chairman), Anja Kühler (Director)…
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- In the Ground Transportation industry, Marianne Sieker has 12,360 colleagues in 604 companies located in 53 countries. 5,922 executive movements have been recorded in the last 12 months. Learn more about Ground Transportation.
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Through the switchboard, call Transdev Germany at +49 ... and ask for Marianne Sieker.
