Jonathan Weiner – Startup Investor Profile

General Info

Jonathan Weiner typically invests in rounds ranging from Seed to Series A with check sizes matching those stages of investment.
Location: New York, NY
Country: United States of America
Industries:
Investment Regions:
Investment Stages: pre-seed, seed
Website:

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🤖 AI Activity Report

Status: very-active

AI Reasoning: Search found Jonathan Weiner listed as an angel investor in Sydecar’s $8.3M seed round announced April 5, 2022. The investment in Sydecar (startup: Sydecar) is the most recent identified. Calculating time since that investment to the reference date shows more than 3 years have passed. However, additional sources (Tracxn entries updated in 2025) list him as an angel investor in 2025 company profiles, and other articles referencing his active angel role are within the last 6 months. Therefore classify as very-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.

Warm Intros from Portfolio Companies

Leo Patching
Founder
Kompliant
Chris Maurice
Founder
Yellow Card
David Meister
Founder
Sydecar
Andrew James
Founder
Fairplay
Max Bruner
Founder
Anzen

Investment Regions Map

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