Complex sentence: Niklas Zennström (born 16 February 1966) is a Swedish entrepreneur best known for founding several high-profile online ventures with Janus Friis including Skype and Kazaatu gf investment firm Atomico and has become a significant figurehead for entrepreneurs in the tech sector.
Split into simpler sentences: Niklas Zennström (born 16 February 1966) is a Swedish entrepreneur best known for founding several high-profile online ventures with Janus Friis including Skype and Kazaa. More recently he founded the technology investment firm Atomico and has become a significant figurehead for entrepreneurs in the tech sector.