imedo - Seed investor behind Team Europe
www.imdeo.de
imedo is a health community that enables patients to take control over their health by sharing advice on e.g. diseases or treatment options and finding people with similar health challenges. Among its popular features are a doctor recommendation service and online support groups.

PlayAll - Lead
www.playall.com
PlayAll is a revolutionary gaming community, providing a platform for gamers to compete against each other with the prospect of financial rewards. As an extension to popular first-person-shooter multiplayer games, PlayAll tracks the players’ success and creates value-adding services on the basis of the gaming results.

plista - Seed investor with Peter Schüpbach & Draper Investments
www.plista.com
plista provides a recommendation and personalization web platform based on collaborative filtering and social graph applications that allows connecting content, products, people and preferences. The recommendations system works cross-site (items from one site are recommended on another) and inherits diverse social components.

StudentSN - Lead
www.studentsn.com
studentSN is Turkey's leading student communication platform. In addition to regular social networking features, studentSN integrates a unique micro-payment system allowing its users to purchase services (e.g. mobile games, SMS) and virtual goods.

studdex - Co-Seed investor
www.studdex.com
studdex is a service provider for students and universities to manage study abroads. The platform studdex.com offers a broad range of information on international universities and locations. Studdex lets students directly apply for international study programs and provides universities a unique application management.

TooStep - Co-Lead with Accel India
www.toostep.com
TooStep is an Indian professional knowledge sharing platform for middle and senior level executives. TooStep offers a broad range of specialized communities in which users can exchange best practices, trends, reviews, case studies, advance learning resources and jobs as well as connect with business leaders and professionals in their areas of interest.

txtr - Lead
www.txtr.com
txtr is building tools and services for digital reading, among those the txtr reader, an electronic reading device, and txtr.com, a web platform that lets you show interesting texts to others, create shared text collections in an instant, and access texts when and where you need them.
Former Engagements / Company building
Gate5 - acquired by Nokia in 2006
www.nokia.com
gate5 was a leading supplier of navigation software in Europe. The company supplied white label software for personal navigation devices and extensive additional contents and services which are available as downloads. gate5 AG was founded in 1999 by a small team of tech innovators and had over 70 employees and 18m revenues before the acquisition.
Founded by: Andreas Steinhauser, Frank Rieger, Christophe Maire
Plazes - acquired by Nokia in 2008
www.plazes.com
Plazes is one of the pioneering web platforms for location sharing and publishing on the web today. Members of Plazes are able to update their location through their laptop or mobile phone, and update their online presence with their current and future whereabouts. That way Plazes provides real-life value when coordinating with friends, family and business partners.
Founded by: Felix Petersen, Stefan Keller, Atlantic Ventures


StudiVZ - Seed investor
acquired by Holtzbrinck in 2006
www.studivz.de
StudiVZ is a social networking platform for students, in particular college and university students, based in Berlin, Germany. With more than ten millions users studiVz and its partner sites schuelerVZ and meinVZ are one of the largest communities in Europe.
Founded by: Ehssan Dariani, Dennis Bemmann