Jeff Clavier is the Founder and Managing Partner of Uncork Capital. See portfolio, sector focus and contact routes.
Jeff Clavier is the Founder and Managing Partner of Uncork Capital, an original seed-stage venture firm in Silicon Valley that he established in 2004 under the name SoftTech VC to provide active partnership and capital to founders in their first 18 months[1][5]. His investment thesis focuses primarily on the seed stage across all sectors, with a geographic emphasis on Silicon Valley and San Francisco, though the firm has invested in over 280 startups since its inception[1][2]. While specific check sizes are not publicly detailed in the sources, Clavier typically acts as a lead investor by providing the foundational support needed for early-stage companies to scale[1][5]. Notable portfolio companies include Fitbit, which went public on the NYSE, as well as SendGrid, Eventbrite, Postmates, and Poshmark, all of which achieved successful outcomes under his guidance[1][5]. Clavier has served on the board of the National Venture Capital Association and was featured on the Forbes Midas List, recognizing him among the world’s top venture capitalists[10]. He distinguishes his approach by emphasizing that seed founders need a true partner rather than just capital, a philosophy that has drive
Every field above is read from the StartupFundraising investor directory — disclosed location, recorded investments and stated focus — and re-checked as filings arrive. Founders pair it with investors in Menlo Park when building a target list.
Investors like Jeff Clavier · Full investor directory · Investor access · Company funding database