Balderton Capital has appointed Suranga Chandratillake as a general partner. He will help lead early stage investments in the online media and technology sectors. U.K.-raised Mr. Chandratillake has been based in Silicon Valley for 10 years but will return to London to take up his role at Balderton. Mr. Chandratillake is the founder of Internet media company blinkx and stepped back from day-to-day management in 2012 to become the company's first chief strategy officer. He will continue in this capacity and remain a director on the Board of blinkx, alongside his new position at Balderton.