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Yogen Dalal

Partner Emeritus


Yogen Dalal is an entrepreneur, engineer, and Silicon Valley executive who has been a venture capitalist at Mayfield Fund since 1991. Over the last 20 years he has invested in the communications, enterprise software, and internet consumer and infrastructure areas. In 2011, he stepped down from the leadership role at Mayfield Fund and successfully transferred this responsibility to the next generation. He is Chairman and co-founder of Glooko, a mobile diabetes management start-up.

Prior to joining Mayfield Fund, Yogen was a founding member of two startups, Claris Corporation and Metaphor Computer Systems. Yogen was also a member of the original Star and Ethernet development teams at Xerox, and a co-author of the TCP Specification in 1974 while at Stanford University. His Ethernet industry blog can be found at

Yogen earned a Ph.D. in electrical engineering and computer science from Stanford and a B.Tech. in electrical engineering from the Indian Institute of Technology, Bombay where he was honored as a Distinguished Alum.

He serves on the board of the Oregon Shakespeare Festival, a nationally acclaimed professional non-profit theater company in Ashland, Oregon, and Benetech, a non-profit that focuses on developing technology for social good. Yogen is a Charter Member of The Indus Entrepreneurs and a former board member of the Entrepreneurs Foundation, TheatreWorks, and KQED, public media for Northern California.

Fun Facts

  • Student of Vint Cerf – the team’s pioneering work on the design of the TCP protocol has been recognized with a "Birth of the Internet" plaque in the Gates Building at Stanford University.
  • Theater enthusiast and collector of black and white photographs of rock stars of the '60s taken by iconic photographers such as Jim Marshall, Henry Diltz and Barry Feinstein.
  • Have visited Kathmandu, Khartoum, and Saigon as the son of a career diplomat.

Current & Notable

Current Investments

  • Adchemy
  • AudienceScience
  • Electric Cloud

Notable Investments

  • AdKnowledge
  • Affinity Labs
  • Arbor Software
  • BeVocal
  • BroadVision
  • Concur Technologies
  • Nuance
  • NuvoMedia
  • OuterBay
  • Packet Engines
  • PostX
  • Snapfish
  • TimesTen
  • Vantive
  • Visioneer
  • Whistle
  • Zenprise


Phone:(650) 854-5560
Blog:Ethernet History Blog