Jeff Sonnenberg

Jeff Sonnenberg

Active Investor

Angel investor in Phoenix

Phoenix, Arizona

Jeff Sonnenberg, Angel investor in Phoenix 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 Accelerator.

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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.

What stage does Jeff Sonnenberg invest at?

Jeff Sonnenberg typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Jeff Sonnenberg's typical check size?

Jeff Sonnenberg typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.

How do I contact Jeff Sonnenberg?

Unlock Jeff Sonnenberg's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Jeff Sonnenberg