An angel investor and operator angel based in Boston, Massachusetts, United States, Stuart Lewtan has 4 known investments: OwnerIQ, TimeTrade Systems, Carbonite and YellowJacket Software.
Is Stuart Lewtan a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Sector
- EducationHealthcare
Contacts
Stuart Lewtan portfolio companies (4)
- OwnerIQ
- TimeTrade Systems
- Carbonite
- YellowJacket Software
Investor Profile
The listing covers sectors Education and Healthcare, and focus areas Clinical Trials, Digital Health, MedTech and Neuroscience. Startups operating in these areas may find Stuart Lewtan relevant.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Similar investors
Showing 20 of 100
Jeffrey Leerink
Chairman and CEO Leerink Partners
Boston, United States
Andrew Marciniec
angel investor
Malta
David Chappill
angel investor
San Francisco, United States
David Steinberg
angel investor and operator angel
Milton, United States
Chris Jackson
angel investor and operator angel
New York, United States
Steven Gutentag
operator angel
New York, United States
Lorne Zalesin
angel investor and operator angel
Birmingham, United States
Giuseppe Stuto
Investor
Boston, United States
Stefan Muehlemann
angel investor and operator angel
Zürich, Switzerland
Demetri Karagas
operator angel
New York, United States
Steven Rutenberg
angel investor and operator angel
Tampa, United States
Wissam Otaky
Co-Founder & Director
Miami, United States
Leo Chan
angel investor and operator angel
Cincinnati, United States
John Levinson
Founder of Westway Capital LLC
Miami, United States
Daniel Lambert
angel investor and operator angel
Salt Lake City, United States
Richard Steele
angel investor
Longmeadow, United States
Zoya Khan
angel investor
San Francisco, United States
Joe Greenstein
angel investor and operator angel
San Francisco, United States
Steve Martin I
angel investor and operator angel
Canberra, Australia
Todd Sullivan
angel investor and operator angel
Detroit, United States
Frequently asked questions
Who is Stuart Lewtan?
Stuart Lewtan is an angel investor and operator angel based in Boston, Massachusetts, United States with 4 known investments on file, among them OwnerIQ, TimeTrade Systems and Carbonite. The sections above list the sectors attached to that record.
What does Stuart Lewtan invest in?
Listed sectors include Education and Healthcare; listed focus areas include Clinical Trials, Digital Health, MedTech and Neuroscience. 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.
How do I contact Stuart Lewtan?
An email address, a phone number and a LinkedIn page are on file for Stuart Lewtan. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal