Investor profile
Jason Klein
Angel & Founder/CEO at On Grid Ventures, Member at New York Angels, President at HBS Alumni Angels of Greater New York
Jason Klein is an angel investor based in New York City, United States with one known investment, SocialSign.in.
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Investment focus
- Focus
- ContentGeo-DisruptiveLendingLocation-based MarketplacesMarketplacesMedia
Contacts
Jason Klein portfolio company (1)
- SocialSign.in
Affiliated funds' portfolios
Founder/CEO at On Grid Ventures, whose known portfolio counts 10 companies
- Front Range Biosciences
- Shoppable
- New York Shipping Exchange
- RubyWell
- With Clarity
- Tire Agent
- Social Standards
- Walc
- CloudFrame
- Live XYZ
Member at New York Angels, whose known portfolio counts 10 companies
- AiM Medical Robotics
- Enertiv
- Skyfire AI
- EdgeX
- RubyWell
- AIQ Solutions
- Hinalea Imaging
- YourCoach Health
- Centese
- Dirty Shirley
President at HBS Alumni Angels of Greater New York, whose known portfolio counts 14 companies
- AiM Medical Robotics
- Front Range Biosciences
- Kasisto
- Membrion
- Uplift Labs
- Measure Studio
- Futurestay
- Sleep.ai
- Smartlens
- Zylö Therapeutics
- Katla
- Goldilock
- and 2 more
Investor Profile
The known portfolio sits in sectors Commerce, FinTech, SaaS and Travel, and focus areas Content, Geo-Disruptive, Lending and Location-based Marketplaces.
The stage tags on this profile are Seed and Series A.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues
Showing 20 of 27
Alessandro Piol
Angel Investor
New York, United States
Richard Katzman
Member
New York, United States
Robert Lennox
Board Member, Sector Lead, Angel Investor
Los Angeles, United States
Joseph C.
Investor / Advisor
United States
Sanjeev Gupta
Member
Greenwich, United States
Samir Chokshi
Member
New York, United States
Peter Bodenheimer
Executive Director
Brooklyn, United States
MaryAnn Bekkedahl
Angel Investor
New York City, United States
George Moustakis
Angel Investor
United States
Rose D.
Investor
New York City, United States
Alain Bankier
Active Advisor/Investor, Board Member and Entrepreneur
Longboat Key, United States
Sahab Aslam
Sector Lead, AI & Machine Learning
Madison, United States
Shaula Alexander Yemini
Member
New York, United States
Gil Fuchsberg
Member/Investor
New York City, United States
Mark Weaver
Member
London, United Kingdom
Seth Masters
Vice Chair
New York, United States
Jon Zaikowski
Associate Director
Philadelphia, United States
Nathan Sambul
Member / Investor
Jersey City, United States
Jim Perakis
Member
Wilton, United States
A. Elizabeth Lindsey
Executive Director
New York City, United States
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Frequently asked questions
Who is Jason Klein?
Jason Klein is an angel investor based in New York City, United States with one known investment on file, SocialSign.in. The sections above list the sectors, stages and firms attached to that record.
What does Jason Klein invest in?
Listed sectors include Commerce, FinTech, SaaS and Travel; listed focus areas include Content, Geo-Disruptive, Lending and Location-based Marketplaces. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Jason Klein invest at?
The database lists Jason Klein for Seed and Series A rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Jason Klein listed at?
Jason Klein is listed as President at HBS Alumni Angels of Greater New York. 27 other people in the database share a firm with Jason Klein.
How do I contact Jason Klein?
An email address, a phone number and a LinkedIn page are on file for Jason Klein. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal