Keith Valentine
Angel investor in San Diego
San Diego, California
Keith Valentine, Angel investor in San Diego is an active investor based in San Diego, California. This profile covers what Keith Valentine backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechDigital Health & HealthTechBiotech & PharmaMedTech & Medical DevicesSaaS & EnterpriseManufacturing & Industrial
- Location
- San Diego, California
- Typical check
- $150K
- Past investments
- 6
Notable investments
How to reach Keith Valentine
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About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Keith Valentine." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/keith-valentine
Frequently Asked Questions
What does Keith Valentine invest in?
Keith Valentine invests in Healthcare & Biotech, Digital Health & HealthTech, Biotech & Pharma and MedTech & Medical Devices, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Keith Valentine invest at?
Keith Valentine typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Keith Valentine's typical check size?
Keith Valentine typically writes checks around $150K. 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.