General Info
Jonathan Katzman is an Angel Investor with a focus on Seed Round investments. His investment interests span various industries such as Ventures for Good, Big Data, Digital Media, Fitness, Educational Games, Organic Food, and more. Based in San Francisco, California, his geographical preference extends across North America. Jonathan’s investment track record includes involvement in startups like @minerva-project, Xoopit (acquired by Yahoo), and Tellme Networks. He has invested in a range of companies at different stages, including seed rounds and Series C funding, with investments varying from $1,000,000 to $11,000,000. As an early employee at Tellme Networks and Vermeer Technology, Jonathan brings valuable experience to his advisory and investment roles.
Location: San Francisco, CA
Country: United States of America
Industries:
Investment Regions:
Investment Stages: pre-seed, seed
angel-individual
Want to start building warm intros with this investor?
🤖 AI Activity Report
Status: low-active
AI Reasoning: I searched public profiles and professional sources (LinkedIn, Dealroom) for Jonathan Katzman. The most recent verifiable involvement in startups is advisory/investor roles around 2010-2011 (Bagcheck, Versly) and his prior roles include Xoopit (acquired 2009) and Minerva (left 2021). I could not find any documented investment (startup funding) after 2024 or 2023. The latest evidence of investor activity appears to be over 12 months ago; referenced startup: Bagcheck (acquired by Twitter). Therefore classify as low-active.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
Investor Contact
Team Members
Name
Role
Email
LinkedIn
…
…
…
…
…
Investment Regions Map
loading map…
Similar Investors
Other similar investors:
Latest on X (Twitter)
Access all contact details of Jonathan Katzman

Gain instant access to partner names, verified emails, LinkedIn profiles, and more—all in one place. Dive into their portfolio founders and their LinkedIn information, so you can quickly start your outreach and look for warm intros.
Add custom tags to your investor cards. Label them by investment stage, industry focus, interest level, or any other criteria you want to stay organized.
Trusted by Founders like You
Find your matching investors using AI
