Kai Siersleben

Born in 1968, MBA, has been a shareholder of Control€xpert for the past four years. Between 2000 and 2009, this proven specialist in the claims industry  was the managing director of AUTOonline, a company he established in 20 different countries through the early and persistent strategy of internationalisation, thereby turning the company into the undisputed market leader in Europe.

k.siersleben(at)controlexpert.de

Gerhard Witte

Born in 1954, M.Sc. in Engineering. He has been working as an automotive expert since 1980. Witte is a founding member of Control€xpert and AUTOonline. Furthermore, he has been a co-founder of various innovative companies, such as the renowned internet platforms Autoscout24 and Immobilienscout24.

g.witte(at)controlexpert.de