Tim is co-owner & co-CEO of Chrono24, the world's marketplace for luxury watches. Chrono24’s transaction volume exceeded 0.7 B EUR in 2015 and currently grows at 30-40%. In 2015, Insight Venture Partners invested 21 M EUR in Chrono24.
In 2001, Tim founded mentasys, which became Germany’s leading online price comparison service provider. He later sold it to a subsidiary of Bertelsmann. Tim is an active investor in technology companies and he advises entrepreneurs on strategy, finance and marketing/sales.
Tim also acts a a venture partner with Target Partners, Germany.