Sigma Partners

Sigma Partners invests in exceptional entrepreneurs, and together we make extraordinary things happen.

As a pillar of the venture capital industry for more than 25 years, Sigma Partners provides support and strength to entrepreneurs driven to build great companies. With over $2 billion under management, Sigma invests in innovative technology startups across the United States. Drawing on deep operational backgrounds as entrepreneurs and executives, Sigma’s partners provide management teams with practical strategic counsel through every phase of company growth.

Silicon Valley

  • Peter Solvik
  • Bob Spinner
  • Gregory Gretsch
  • Josh Breinlinger
  • Wade Woodson
  • Lawrence Finch
  • Fahri Diner
  • Clifford Haas


  • Robert Davoli
  • John Mandile
  • Paul Flanagan
  • Gardner Hendrie