Prior to joining Kleiner Perkins, Mamoon was a Co-Founder and General Partner at Social Capital. Mamoon has been an early investor in and served on the boards of some of the most innovative software companies of recent times including Slack, Box, Yammer (acquired by Microsoft), Intercom and Netskope. Prior to Social Capital, he was a Partner at U.S. Venture Partners (USVP). Mamoon started his Silicon Valley career at Xilinx where he spent six years in various engineering and business roles. He holds a BS in Electrical Engineering from Purdue University, an MS from Stanford University and an MBA from the Harvard Business School.