InterWest Partners is a venture capital firm. Based in San Francisco Bay Area, United States. Known portfolio companies include Bolt, Welcome, The RealReal, Sera Prognostics, Splice Machine and Aryaka Networks, 13 companies in all.
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Investment focus
Who to pitch at InterWest Partners
InterWest Partners portfolio companies (13)
- Bolt
- Welcome
- The RealReal
- Sera Prognostics
- Splice Machine
- Aryaka Networks
- Atria Systems
- Eiger BioPharmaceuticals
- Pelican Imaging
- RedShift BioAnalytics
- PMV Pharmaceuticals
- Doximity
- GoCheck
Co-investors
Funds that share portfolio companies with InterWest Partners.
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About InterWest Partners
The firm's listing covers sectors AI, Commerce, Consumer and FinTech, and focus areas Analytics, Biotech, Cloud Infrastructure and Data; known deals cluster at Growth, Late-Stage and Seed.
The team counts 5 people in our database. Stephen Holmes (General Partner), Gil Kliman (Managing Partner) and Keval Desai (General Partner) are shown as the contacts to pitch.
Across the known portfolio, 20 co-investors appear alongside InterWest Partners, including Mohr Davidow Ventures, Darsana Capital Partners and Brainchild Holdings.
Frequently asked questions
What is InterWest Partners?
InterWest Partners is a venture capital firm based in San Francisco Bay Area, United States, with a known portfolio of 13 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does InterWest Partners invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include Analytics, Biotech, Cloud Infrastructure and Data. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does InterWest Partners invest at?
The known deals of InterWest Partners include Growth, Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at InterWest Partners?
3 of the 5 people on file at InterWest Partners are listed as contacts for the firm. All 5 have their own profile page.
How do I contact InterWest Partners?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 5 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal