John Rex
Angel investor in Wellesley
Wellesley, Massachusetts
John Rex, Angel investor in Wellesley is an active investor based in Wellesley, Massachusetts. This profile covers what John Rex backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechBiotech & Pharma
- Location
- Wellesley, Massachusetts
- Typical check
- $150K
- Past investments
- 3
Notable investments
How to reach John Rex
Angels and operators like John Rex 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 Accelerator.
Connect with John Rex
Frequently Asked Questions
What does John Rex invest in?
John Rex invests in Healthcare & Biotech and Biotech & Pharma, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Rex invest at?
John Rex typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is John Rex's typical check size?
John Rex typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact John Rex?
Unlock John Rex's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.