Roger Chen is Co-Founder, CEO at Cosigned and Computable. Previously, he was a principal at O’Reilly AlphaTech Ventures (OATV), where he invested in and worked with early stage startups primarily in the realm of data, machine learning and robotics. Roger has a deep and hands-on history with technology, having spent a past life as an engineer and scientist prior to working in venture capital. He developed novel nanotechnology as a PhD researcher at UC Berkeley and spent stints as an engineer with Oracle, EMC and Vicor. Roger holds a BS from Boston University and a PhD from UC Berkeley, both in electrical engineering.