Stefan Warner Email & Phone Number
Vorstand @ INTERNETONE AG
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Stefan Warner Location
- North Rhine-Westphalia, Germany
Stefan Warner Work
- Vorstand @ (April 2009 - Present)
- CEO @ (May 2025 - September 2026)
- Geschäftsführender Gesellschafter @ WARNER Digital UG (September 2019 - July 2026)
- Geschäftsführender Gesellschafter @ Digital Marketing Hero GmbH (August 2018 - July 2026)
- Gründer @ (June 2022 - July 2024)
- Initiator @ (December 2020 - July 2024)
- Geschäftsführender Gesellschafter @ HieroCity Software GmbH (March 2020 - December 2021)
- Vermögensverwalter @ Advanced Asset Management AG (September 2003 - September 2004)
- Aktienhändler @ New York Broker Deutschland AG (August 1999 - August 2002)
- Bankkaufmann @ (September 1990 - January 1993)
Stefan Warner Education
- Cologne University of Applied Sciences
Wirtschaftswissenschaften (Wirtschaftswissenschaften)
- Ruhr University Bochum
(Wirtschaftswissenschaften)
Stefan Warner Summary
- Stefan Warner, based in North Rhine-Westphalia, Germany, is currently a Vorstand at INTERNETONE AG. Stefan Warner brings experience from previous roles at ReTraffic Media GmbH, WARNER Digital UG, Digital Marketing Hero GmbH and stadtboomer. Stefan Warner holds a Wirtschaftswissenschaften in Wirtschaftswissenschaften @ Cologne University of Applied Sciences. Stefan Warner has 1 mobile phone numbers on RocketReach.
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