Jeff Sonnenberg

Active Investor

Phoenix, Arizona

Jeff Sonnenberg is an active investor based in Phoenix, Arizona. This profile covers what Jeff Sonnenberg backs, at which stage, and how founders can reach out in 2026.

Investor type: Angel
Stages: Pre SeedSeed
Invests in: FintechSaaS & EnterpriseConsumer & RetailE-commerce & D2CDeveloper Tools & DataHardware & Deep TechIoT & Connected DevicesEdTech
Location: Phoenix, Arizona
Typical check: $150K
Past investments: 1

Notable investments

University of Phoenix - Online

How to reach Jeff Sonnenberg

Angels and operators like Jeff Sonnenberg 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.

Frequently Asked Questions

What does Jeff Sonnenberg invest in?

Jeff Sonnenberg invests in Fintech, SaaS & Enterprise, Consumer & Retail and E-commerce & D2C, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.