gateone was founded in 2001 by Stephan Uebelhör and Mathias Nagel gegründet.
Stephan Uebelhör has worked for renowned publishing houses and has consulted corporations in the development of complex web sites and portals before joining gateone.
Mathias Nagel has developed co-operation concepts for media customers such as Pro7 and Kabel1. Furthermore, he specialized in development of sales promotion activities i.a. for Nestlé, BOSCH, Jahn Reisen and SIEMENS Home Apliances. Additionally he has planned and executed secondary rights marketing campaigns for Kirch Media Group.