2015/6 - RadioOpt, CSO, QoS & QoE Measurements in Wireless Networks in 200+ countries
2006-15 - MobileMonday Germany - Co-Founder & Board Member (=> closed in 2015)
2012-15 - XING - Industry Ambassador - Mobile / Telecommunications (=> closed in 2015)
2014 - Yapital - Interim CPO - 8 Product Owners, 4 Business Analysts, Patent Advisor, Test Teams, Consumer & Business Support Teams in Hamburg, Kiev and Luxemburg (=> sold)
2011-13 - Smaato - Ad Technology - VP Strategy & New Business - Publisher strategy definition and implementation in APAC, Americas, and EMEA
2010/11 - Hiogi, Service Community - Interim CEO, Repositioning, Company Sale. (=> sold)
2009/10 - Improve/Pubmatic - Programmatic, AdTechnology, Go-to-market implementation Germany. (=> sold)
2008/9 - Microsoft, Atlas Publisher Solutions - Ad Technology e.g. Rapt (Yield Management), Screen Tonic (Mobile Advertising) Vibe (Behavioral Targeting) and Massive (In-Game Advertising) technology.
2007/8 - Spin3 - Mobile Gaming / Gambling, Go-to-market strategy, Germany (=> sold)
2002-07 - DigitalEnvoy, Ad Tech, IP Intelligence, Go-to-market strategy and execution German speaking countries.