Learn practical lessons from Niklas Zennstrom, role model for Europe based entrepreneurs.Co-found and ran Skype, the London-based internet-phone start-up which eBay bought in 2005 for $3.1 billion — a venture more than two dozen venture capitalists turned down flat. He also co-created peer-to-peer software Kazaa, launched the online video-sharing service Joost, and now runs investment firm, Atomico, which recently raised $165 million.