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