›Portfolio Companies

Past, Present and Future Leaders

InterWest is proud and privileged to partner with visionary management teams who are shaping the future of Information Technology and Healthcare. The companies they have started are vital parts of the portfolio of industry-leading startups that InterWest has helped over the last four decades.

Our Companies


InterWest Partners Mailing Address
548 Market St.
PMB 44661
San Francisco, CA 94104-5401
T: 650-854-8585
F: 650-854-4706

Early stage IT and Healthcare Investing

Inside InterWest - Entrepreneurs in IT & Healthcare

InterWest Partners invests in some of the world’s most promising early-stage IT and healthcare businesses. For over 41 years InterWest has partnered with entrepreneurs to build winning companies. With more than 200 years of operating and investing experience, InterWest has raised $2.8 billion, completed 94 IPOs, and participated in over 93 upside acquisitions. InterWest is currently investing InterWest X, a $650M fund.