Sina Niemann – Biography
Last update: February 13, 2026Executive profile
Sina Niemann is currently
Head of Sales, Germany, Austria and Switzerland at A&O Hotels and Hostels - View - A&O Hotels and Hostels org chart
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Company Colleagues
- At A&O Hotels and Hostels, Sina Niemann has 19 colleagues including Oliver Winter (CEO), Julien Mattei (Investment)…
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- In the Hotels industry, Sina Niemann has 10,494 colleagues in 576 companies located in 57 countries. 5,048 executive movements have been recorded in the last 12 months. Learn more about Hotels.
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