Jonathan Wasserstrum – Startup Investor Profile

General Info

Jonathan Wasserstrum is a seasoned investor with a strategic focus on real estate tech. He believes in diversification, aiming to invest in around 20 companies per quarter. Wasserstrum’s investments span various sectors, including transportation and logistics, design, and commerce. His preferred investment stage is pre-seed and seed rounds. Geographically, he concentrates on the Greater New York Area, East Coast, and Northeastern US. Wasserstrum has a track record of success, with 25 investments made, including ones in NewHomesMate, Zamp, WATS, and Arrenda. His typical investment check size is around $100K. Wasserstrum’s collaboration style is oriented towards creating valuable partnerships with founders and real estate executives, offering mentorship and support to drive growth and success.
Location:
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 multiple external profiles and news showing Jonathan Wasserstrum invested in NewHomesMate (Propertymate) in June 2023 and has continued visible investing and activity through 2025 (LinkedIn posts Oct 23, 2025 about emerging managers). The most recent explicit investment-related signals and public activity indicate investments within the last 6 months, classifying 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

Corey Walters
Founder
Here
Joe Merullo
Founder
Arrenda
Akintola Adesanmi
Founder
Spleet
Meredith Danberg-Ficarelli
Founder
WATS
Toon Peek
Founder
Equip

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