Geoff Lewis joined Founders Fund as Principal in the summer of 2012, and has since led numerous investments for the firm. Prior to Founders Fund, Geoff co-founded and served as Chief Executive Officer of Topguest, a gamified loyalty software-as-a-service startup that was acquired in an eight figure deal a year and a half after inception. As an occasional expert commentator for CNBC, Geoff is sought after for his insight into emerging consumer and enterprise technologies. Geoff also mentors other young entrepreneurs for Founder Institute, The Brandery, and The Thiel Fellowship. Previously, Geoff worked at Clarium Capital Management, and began his career as a Brand Manager at Procter & Gamble.