Nafise Masoumi
Principal at RiverVest Venture Partners
San Francisco, California
Nafise Masoumi, Principal at RiverVest Venture Partners is an active investor based in San Francisco, California. This profile covers what Nafise Masoumi backs, at which stage, and how founders can reach out in 2026.
Nafise Masoumi is a Principal at RiverVest Venture Partners, focusing on biotech and medtech investments.
Nafise Masoumi invests in Healthcare & Biotech, Digital Health & HealthTech and MedTech & Medical Devices, typically at Seed, Series A, Early Stage Venture and Late Stage Venture.
- Investor type
- VC
- Stages
- SeedSeries AEarly Stage VentureLate Stage Venture
- Invests in
- Healthcare & BiotechDigital Health & HealthTechMedTech & Medical Devices
- Location
- San Francisco, California
- Typical check
- $750K
How to reach Nafise Masoumi
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Round Funded. "Nafise Masoumi." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/nafise-masoumi
Frequently Asked Questions
Who is Nafise Masoumi?
Nafise Masoumi, Principal at RiverVest Venture Partners is an active investor based in San Francisco, California. Nafise Masoumi invests in Healthcare & Biotech, Digital Health & HealthTech and MedTech & Medical Devices, typically at Seed, Series A, Early Stage Venture and Late Stage Venture.
What does Nafise Masoumi invest in?
Nafise Masoumi invests in Healthcare & Biotech, Digital Health & HealthTech and MedTech & Medical Devices, typically at Seed, Series A, Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Nafise Masoumi invest at?
Nafise Masoumi typically invests at Seed, Series A, Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Nafise Masoumi's typical check size?
Nafise Masoumi typically writes checks around $750K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.