Tim is a Managing Director at Mayfield Fund, focusing on investments in mobile, gamification, digital media, social science-based businesses, quantified self, eCommerce, and adtech in the US and China. Tim's venture investments have generated more than $1.3B in M&A exit value, and he was named on the Forbes 2011 Midas List of Top Dealmakers. His investments at Mayfield include MOAT, Massdrop, Fitmob (acquired by Classpass), HealthTap, 3Drobotics, and Basis (acquired by Intel). Previously, Tim was a Partner at Norwest Venture Partners, where led NVP's investments in Playdom (acquired by Disney), ngmoco (acquired by DeNA), Lumos Labs, PCH International, AdChina, Basis, and Badgeville.
Prior to joining NVP in 2006, Tim was a Principal at Gabriel Venture Partners where he was actively involved in over a dozen wireless-related deals and led Gabriel's investment in Iridigm Display Corporation (acquired by Qualcomm). He also contributed to the boards of Placeware (acquired by Microsoft) and Arula Systems (acquired by Raritan), NextG Networks (acquired by a private equity syndicate), and IPWireless (acquired by NextWave). Tim built Gabriel's wireless sector practice and helped establish business development capabilities through a diverse network of strategic relationships across the mobile value chain, particularly in Asia-Pacific.
Prior to joining Gabriel, Tim spent more than five years working in Japan. He was a product manager at Gateway Inc. where he successfully launched direct-marketed PC servers in the Japanese market and quickly grew an enterprise product line into a full offering of network desktops, workstations, servers and configurable turn-key solutions. Prior to Gateway, Tim was a development engineer for General Motors working across China, Korea and Japan in the development, testing and sales of advanced chassis control systems for clients such as Toyota and Daewoo.
Tim began his career in venture capital in 1999 during his time at Stanford Business School as part of the founding team of CTR Ventures K.K., a venture accelerator in Tokyo focused on seed and early-stage mobile consumer applications for the Japanese market.
Tim currently serves on the advisory boards of GameStop Corporation, Yoshimoto Kogyo, Verizon 4G Venture Forum, Sprint VC Advisory Board, Nike Accelerator, Silicon Valley Telecom Council, MIT/Stanford VLAB, CasualConnect, and TEDx San Francisco. He also serves on the non-profit boards of CAPE (Coalition for Asian Pacifics in Entertainment) and Little Kids Rock.
Tim holds an MBA from Stanford Graduate School of Business, where he was an Arjay Miller Scholar, and an MS in electrical engineering/system engineering as well as a BS in electrical engineering from the University of Michigan.
|Aug, 2015||Massdrop||$40M / Series B||Mayfield Fund|
|Jun, 2015||Zirtual||$2.56M / Debt Financing||Mayfield Fund|
|Mar, 2015||Brite Semiconductor||$8M / Series C||Norwest Venture Partners - NVP|
|Sep, 2014||Massdrop||$6.5M / Series A (Lead)||Mayfield Fund|
|Oct, 2013||Basis Science||$23M / Series B||Mayfield Fund|
|May, 2013||HealthTap||$24M / Series B||Mayfield Fund|
|Mar, 2013||Basis Science||$11.5M / Series B (Lead)||Mayfield Fund|
|Jan, 2013||Zirtual||$2M / Seed||Mayfield Fund|
|May, 2012||Badgeville||$25M / Series C||Norwest Venture Partners - NVP|
|Apr, 2012||Moat||$13M / Series B (Lead)||Mayfield Fund|
|Apr, 2012||BranchOut||$25M / Series C (Lead)||Mayfield Fund|
|Dec, 2011||HealthTap||$11.5M / Series A (Lead)||Mayfield Fund|
|Jul, 2011||Badgeville||$12.2M / Series B (Lead)||Norwest Venture Partners - NVP|
|Feb, 2010||ngmoco||$24.2M / Series C||Norwest Venture Partners - NVP|
|Mar, 2009||ngmoco||$10M / Series B (Lead)||Norwest Venture Partners - NVP|
|May 24, 2016||TechCrunch - The reality of augmented and virtual reality venture capital|
|May 16, 2016||Venture Capital Database - Ex-Googler Goes After Cancer|
|May 10, 2016||PocketGamer - In search of mobile gaming at Collision 2016|
|Apr 29, 2016||PE HUB - Mayfield raises $525 mln across two funds, eyes later-stage VC investing|
|Feb 13, 2016||GMIC Blog - The Disruption of VC and What it Means for Founders – GMIC SV 2015|
|Feb 13, 2016||GMIC Blog - $1 Million Designated to World Changing Startups in 2016|
|Feb 9, 2016||Business Insider Australia - TED isn't a cult. Here's what attendees actually believe|
|Feb 8, 2016||Business Insider (tech) - TED isn't a cult. Here's what attendees actually believe|