Stefan Tirtey

MegaZebra develops and publishes social games on Facebook.

SoundCloud is the world's leading social sound platform. As of November 2012 the company has 25 million registered users. According to Alexa it is one of the 200 biggest websites worldwide. Doughty Hanson was the first institutional investor in SoundCloud, leading the Series A financing in 2009. It was joined by Union Square Ventures and Index who led a Series B financing in 2010. Kleiner Perkins Kaufield and Buyers led a Series C financing in December 2011.

Ubidyne builds all-digital adaptive antennas for mobile networks. Ubidyne’s unique architecture increases efficiency and bandwidth utilization of mobile networks. Its products are compatible with current and next generation standards, providing significant improvements in coverage, capacity and energy consumption.

Seedcamp is an early stage mentoring and investment program. My job is to help companies getting to the next level through mentoring.

Co-headed the selection committee for this event, which indetified the upcoming and leading top 25+ high-growth privately held web and mobility companies in Europe and introduced them to key European, US and Asian investors and professionals who can assist in their global expansion.

Location: Montreux, Switzerland, November 18,19

http://www.techtour.com/webandmobility09/files/Informilo%20Nov%209%20Article.pdf

Adaptive Mobile security helps mobile operators protecting their networks and subscribers against spam and security threats. It's technology is carrier grade and and operates within the network, therefore not requiring the often times complex and cumbersome deployment of client side software.

Plazes defined the concept of mobile location check-ins, a paradigm that was later adopted by Foursquare and Facebook. It gathered significant user traction previous to the i-phone's launch, Android, and at time when the penetration of GPS in mobile phones was still very low. Plazes was acquired by Nokia in summer 2008.

Mobile In-Application Advertising

o.tel.o was a fixed-line start-up carrier competing with Deutsche Telekom; it was acquired by Vodafone in 1999. I co-managed the launch of Germany’s first competitive consumer long distance service.