Prior to founding VAST, Renen led the architecture and development of an all flash array at XtremIO, from inception to over a billion dollars in revenue while acting as VP R&D and leading a team of over 200 engineers. XtremIO is the world's leading all flash array, with over 40% market share and unprecedented growth from zero to three billion dollars of revenue in under three years. Earlier Renen developed a content distribution system at Intercast, from inception to initial deployment and acted as Chief Architect. Renen was also a member of the CTO team at Time to Know. He holds a BA and an MSc in Computer Science, both summa cum laude. Thesis published in the journal of Computational Complexity and presented at the Theory of Cryptography Conference.