Isaac Zike
Managing Director at RiverVest Venture Partners
St. Louis, Missouri
Isaac Zike, Managing Director at RiverVest Venture Partners is an active investor based in St. Louis, Missouri. This profile covers what Isaac Zike backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPESyndicateInvestor
- Stages
- Early Stage VentureSeed
- Invests in
- Biotech & PharmaMedTech & Medical DevicesHealthcare & Biotech
- Location
- St. Louis, Missouri
- Typical check
- $375K
- Past investments
- 39
Notable investments
Genoa Pharmaceuticals
Spruce Biosciences
OncoResponse
Lutonix
Standard Bariatrics
Smart WiresAmplyx Pharmaceuticals
Arch Oncology
Venture Med GroupAuxeris Therapeutics
Kereos
Mirum PharmaceuticalsHow to reach Isaac Zike
Angels and operators like Isaac Zike reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "Isaac Zike." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/isaac-zike-phd
Frequently Asked Questions
What does Isaac Zike invest in?
Isaac Zike invests in Biotech & Pharma, MedTech & Medical Devices and Healthcare & Biotech, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Isaac Zike invest at?
Isaac Zike typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is Isaac Zike's typical check size?
Isaac Zike typically writes checks around $375K. 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.