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