Jeff Sinclair
Angel investor in Stamford
Stamford, Connecticut
Jeff Sinclair, Angel investor in Stamford is an active investor based in Stamford, Connecticut. This profile covers what Jeff Sinclair backs, at which stage, and how founders can reach out in 2026.
Mr. Jeff Sinclair is an Angel Investor. He served as Product Manager, Engagement Platform at Atlassian.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- Artificial IntelligenceFintechPaymentsSaaS & EnterpriseCrypto & Web3Consumer & RetailConsumer Goods (CPG)E-commerce & D2C
- Location
- Stamford, Connecticut
- Typical check
- $500K
- Past investments
- 1
Notable investments
How to reach Jeff Sinclair
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Connect with Jeff Sinclair
Frequently Asked Questions
What does Jeff Sinclair invest in?
Jeff Sinclair invests in Artificial Intelligence, Fintech, Payments and SaaS & Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jeff Sinclair invest at?
Jeff Sinclair typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Jeff Sinclair's typical check size?
Jeff Sinclair typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact Jeff Sinclair?
Unlock Jeff Sinclair's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.