John Criswell
Investor at Porter
Washington, District of Columbia
John Criswell, Investor at Porter is an active investor based in Washington, District of Columbia. This profile covers what John Criswell backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechSaaS & EnterpriseDigital Health & HealthTech
- Location
- Washington, District of Columbia
- Typical check
- $150K
- Past investments
- 2
Notable investments
How to reach John Criswell
Angels and operators like John Criswell 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.
Reach active investors like this one
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. "John Criswell." Round Funded investor database, updated September 23, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/john-criswell
Frequently Asked Questions
What does John Criswell invest in?
John Criswell invests in Healthcare & Biotech, SaaS & Enterprise and Digital Health & HealthTech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Criswell invest at?
John Criswell typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is John Criswell's typical check size?
John Criswell 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.