An angel investor and operator angel based in New York, United States, Martin Nisenholtz has 2 known investments: Skift and Sulia.
Is Martin Nisenholtz a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Sector
- AIFinTechHealthcareSaaS
Contacts
Martin Nisenholtz portfolio companies (2)
- Skift
- Sulia
Affiliated funds' portfolios
Venture Partner at FirstMark, whose known portfolio counts 9 companies
- Daytona
- Legora
- Porter
- POSH
- SurrealDB
- Alaffia Health
- Tracebit
- Payy
- VillageSQL
Investor Profile
The known portfolio sits in sectors AI, FinTech, Healthcare and SaaS, and focus areas Cloud Infrastructure, Data Analytics, Digital Health and Enterprise SaaS.
Stage-wise, the known deals cluster around Seed and Series A rounds.
The portfolio and focus above give founders context on whether Martin Nisenholtz matches their raise.
Colleagues at FirstMark
Rick Heitzmann
Founder and Managing Director
New York, United States
Matt Turck
Managing Director
New York, United States
Chris Ahearn
Venture Partner Network
Santa Monica, United States
Derek Chu
Principal
New York, United States
Adam Nelson
Managing Director
New York City, United States
Kathryn Weinmann
Principal
New York, United States
Amish Jani
Founder & Partner
New York, United States
Dave Leyrer
Venture Partner
Greenwich, United States
David Waltcher
Partner
New York, United States
Desmond Fleming
Principal
New York, United States
Shilpa Nayyar
Partner & COO
New York, United States
Will Bitsky
Investor
United States
Aman Kabeer
Investor
New York, United States
Vera Wang
Investor
New York, United States
Kit Ulrich
Venture Partner
Fort Worth, United States
Joseph Essas
Venture Partner
Los Angeles, United States
Ryan Sullivan
Investor
New York, United States
Janena Benjamin
Venture Capital & Private Equity Professional
New York, United States
Similar investors
Showing 20 of 100
Jared Slosberg
angel investor
Paris, France
Mark Goldstein
angel investor and operator angel
Englewood, United States
Martin Gontovnikas
angel investor and operator angel
Berkeley, United States
Martin Casado
General Partner
San Francisco, United States
Nnamdi Okike
Managing Partner
New York, United States
Jake Klein
angel investor and operator angel
Israel
Max Altman
Co-founder and Managing Partner
Austin, United States
Naveen Selvadurai
Venture Partner
New York, United States
Julia Austin
angel investor
New York, United States
Itai Tsiddon
angel investor and operator angel
New York, United States
Benjamin Narasin
Founder & General Partner
Atherton, United States
Glen Surnamer
angel investor
Los Angeles, United States
David Sokolic
Partner
Mercer Island, United States
Hussein Kanji
Analyst
London, United Kingdom
Nihal Mehta
Co-Founder
New York, United States
Gilles B.
Seed Investor & fan
Paris, France
Alex Mashinsky
The truth shall set you free
New York City, United States
Martin Skelly
angel investor
Charleston, United States
Keith Nilsson
Managing Partner and Co-Founder
Menlo Park, United States
Navin Chaddha
Managing Partner
Menlo Park, United States
Frequently asked questions
Who is Martin Nisenholtz?
Martin Nisenholtz is an angel investor and operator angel based in New York, United States with 2 known investments on file, among them Skift and Sulia. The sections above list the sectors, stages and firms attached to that record.
What does Martin Nisenholtz invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include Cloud Infrastructure, Data Analytics, Digital Health and Enterprise SaaS. 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 Martin Nisenholtz invest at?
The known deals of Martin Nisenholtz include 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 Martin Nisenholtz listed at?
Martin Nisenholtz is listed as Venture Partner at FirstMark. 18 other people in the database share a firm with Martin Nisenholtz.
How do I contact Martin Nisenholtz?
A phone number and a LinkedIn page are on file for Martin Nisenholtz. They are readable inside RaiseHunt after you create an account. The database holds no email address for this profile.
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