Jack Steenstra
Angel investor in San Diego
San Diego, California
Jack Steenstra, Angel investor in San Diego is an active investor based in San Diego, California. This profile covers what Jack Steenstra backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechConsumer & RetailE-commerce & D2CIoT & Connected DevicesSports & FitnessTelecom & Connectivity
- Location
- San Diego, California
- Typical check
- $150K
- Past investments
- 1
Notable investments
Sonim TechnologiesHow to reach Jack Steenstra
Angels and operators like Jack Steenstra 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 Steenstra
Frequently Asked Questions
What does Jack Steenstra invest in?
Jack Steenstra invests in Healthcare & Biotech, Consumer & Retail, E-commerce & D2C and IoT & Connected Devices, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jack Steenstra invest at?
Jack Steenstra typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Jack Steenstra's typical check size?
Jack Steenstra typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Jack Steenstra?
Unlock Jack Steenstra's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.