Jonathan Weiner

Jonathan Weiner is an angel investor and Venture Partner at Oak HC/FT who focuses on early-stage to growth. See portfolio, sector focus and contact routes.

About Jonathan Weiner

Jonathan Weiner is an angel investor and Venture Partner at Oak HC/FT who focuses on early-stage to growth equity opportunities in **healthcare**, **fintech**, and **AI**, with typical check sizes ranging from **$100K to $5.0M** and a sweet spot of **$1.5M**[1]. His notable portfolio includes companies like **Vendelux**, **Ledge**, **Yellow Card**, **Kompliant**, and **OurRitual**, spanning pre-seed through Series B rounds[1][6]. Weiner's distinctive thesis centers on backing **transformative founders** building infrastructure for the next generation of global innovation, particularly in digital health and financial technology[6].

Jonathan Weiner at a glance

Role
Co-Founder
Location
New York, New York, United States
Investor type
Individual/Angel
Focus areas
General
Portfolio companies listed
51
Investments recorded
53

Frequently asked about Jonathan Weiner

What does Jonathan Weiner invest in?
Jonathan Weiner (New York, New York, United States) — sector focus: General.
How do I contact Jonathan Weiner?
Jonathan Weiner's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.
Where is Jonathan Weiner based?
Jonathan Weiner is based in New York, New York, United States.

Details on this investor come from filing and round data held in the StartupFundraising directory, refreshed on ingest. Founders use profiles like this one to qualify fit and to shortlist investors in New York.

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