An angel investor and operator angel based in Oyster Bay, New York, United States, Mike Seiman has 12 known investments: SkyKick, Vouch Financial, uBiome, NewsWhip, HappyCo, Contactually, Sapho, Le Tote, Babylist, Lucidity Tech, Petflow and Kona Ices.
Is Mike Seiman a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Mike Seiman portfolio companies (12)
- SkyKick
- Vouch Financial
- uBiome
- NewsWhip
- HappyCo
- Contactually
- Sapho
- Le Tote
- Babylist
- Lucidity Tech
- Petflow
- Kona Ices
Investor Profile
Founders in the listed sectors Consumer, FinTech and Healthcare, and focus areas Ad Targeting, Advertising, Biotech and Digital Media will recognize the pattern in this portfolio.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Similar investors
Showing 20 of 100
Mike Lightman
angel investor and operator angel
New York City, United States
Michael Provenzano
angel investor and operator angel
New York, United States
Michael Enright
angel investor
London, United Kingdom
Matt Minoff
Angel Investor
Miami, United States
Jamey Jeff
Global Head of Product Marketing
Washington, United States
Mika Salmi
Founder
Zürich, Switzerland
Michael Ciklin
angel investor
Nashville, United States
Mike Galgon
CEO
Seattle, United States
Jon Wiesman
angel investor
Aliso Viejo, United States
Marc Simons
angel investor
Los Angeles, United States
Michael Yavonditte
angel investor and operator angel
Greenwich, United States
Michael Finney
angel investor
San Francisco, United States
Mike Zelnick
angel investor
Suwanee, United States
Dhani Jones
Operator Advisor
Detroit, United States
Steve Simon
Managing Member
San Francisco, United States
Mike A.
angel investor and operator angel
Austin, United States
Michael A. Blum
angel investor and operator angel
Las Vegas, United States
Matt Dorband
angel investor
Los Angeles, United States
Adam Liebman
Angel Investor
New York, United States
Mike Prasad
angel investor and operator angel
Los Angeles, United States
Frequently asked questions
Who is Mike Seiman?
Mike Seiman is an angel investor and operator angel based in Oyster Bay, New York, United States with 12 known investments on file, among them SkyKick, Vouch Financial and uBiome. The sections above list the sectors attached to that record.
What does Mike Seiman invest in?
Listed sectors include Consumer, FinTech and Healthcare; listed focus areas include Ad Targeting, Advertising, Biotech and Digital Media. 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 Mike Seiman?
An email address, a phone number and a LinkedIn page are on file for Mike Seiman. 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 5 September 2026 · How this data is built · Report a correction or request removal