Investor profile
Marty Ringlein
Angel, Operator angel & General Partner at Adventure Fund, Adjunct Professor at Northwestern University Medill School
Marty Ringlein is an angel investor and operator angel based in Brooklyn, New York, United States. The known portfolio counts 6 companies: Acquire.com, Capbase, Telagri, Clover Software, Inc, Cygnus Business Media and Macaw.
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Investment focus
Contacts
Marty Ringlein portfolio companies (6)
- Acquire.com
- Capbase
- Telagri
- Clover Software, Inc
- Cygnus Business Media
- Macaw
Affiliated funds' portfolios
General Partner at Adventure Fund, whose known portfolio counts 6 companies
- beehiiv
- Palla
- Junction
- Acctual
- OpenLedger
- Sounder.fm
Adjunct Professor at Northwestern University Medill School, whose known portfolio counts 9 companies
- Ocient
- Aptinyx
- Gearflow
- Asensei
- Solovis
- Stemloop
- Lakeside Discovery
- Tanvas
- Trim
Investor Profile
Founders in the listed sectors AI, Commerce, FinTech and SaaS, and focus areas Developer Tools, E-Signature, Generative AI and Marketplaces will recognize the pattern in this portfolio.
Marty Ringlein appears in Pre-Seed and Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues
Dave Donnan
Adjunct Professor
Canmore, Canada
Craig Wortmann
Investor
Evanston, United States
Kristin McDonnell
President, Northwestern Alumni Association
Menlo Park, United States
David Scalzo
Chair
Winter Park, United States
Tom Biegala
Adjunct Professor
San Francisco, United States
Paul Sagan
Life Trustee
Boston, United States
Jim Wicks
Leader
Chicago, United States
Jim Sullivan
Adjunct Professor, Department of Pharmacology
Chicago, United States
Sona Wang
Member Board Of Trustees
Chicago, United States
Will Hubbard
General Partner
San Francisco, United States
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Frequently asked questions
Who is Marty Ringlein?
Marty Ringlein is an angel investor and operator angel based in Brooklyn, New York, United States with 6 known investments on file, among them Acquire.com, Capbase and Telagri. The sections above list the sectors, stages and firms attached to that record.
What does Marty Ringlein invest in?
Listed sectors include AI, Commerce, FinTech and SaaS; listed focus areas include Developer Tools, E-Signature, Generative AI and 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 Marty Ringlein invest at?
The known deals of Marty Ringlein include Pre-Seed and Seed 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 Marty Ringlein listed at?
Marty Ringlein is listed as Adjunct Professor at Northwestern University Medill School. 10 other people in the database share a firm with Marty Ringlein.
How do I contact Marty Ringlein?
An email address, a phone number and a LinkedIn page are on file for Marty Ringlein. 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