Greg is currently Managing Director at Techstars, the world’s leading accelerator programme for early stage technology start-ups and is responsible for the Barclays Accelerator. Prior to joining Techstars, he spent eleven years in New York City as an entrepreneur and senior manager.

Most recently, he was founder and CEO of Pictela, a super rich media technology company that was acquired by AOL in 2010. Greg then served as AOL's Senior Vice President of premium advertising until 2013. Before that, he was a VP at Tacoda, an online ad network that was sold to Time Warner. An active angel, Greg was an early investor in Schedulicity and has recently co-founded SmartUp, a new ed-tech company with Frank Meehan (Siri), Brent Hoberman (, and Barry Smith (Skyscanner).