Investor profile
Mark Webster
Accelerator, Venture capital & Operating Partner at Entrepreneurs Roundtable Accelerator, Advisor at Story Ventures
Mark Webster is an Operating Partner at Entrepreneurs Roundtable Accelerator, whose known portfolio counts 11 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Operating Partner at Entrepreneurs Roundtable Accelerator, whose known portfolio counts 11 companies
- Orqa
- Aerium
- Astute
- Cascade Geomatics
- Closai
- Closed1
- Discernis
- M8VEN
- MadeOnSite
- Philter
- Policybot
Advisor at Story Ventures, whose known portfolio counts 9 companies
- Delfina
- Parable
- Brooklyn Health
- Empo Health
- True Footage
- Guama
- Inspiren
- MidLyr
- Procode AI
Investor Profile
The listing covers sectors AI, Commerce, Consumer and Education, and focus areas AI Applications, Analytics, Cloud Infrastructure and Data. Startups operating in these areas may find Mark Webster relevant.
Entrepreneurs Roundtable Accelerator appears in Growth, Pre-Seed and Seed rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Mark Webster is worth approaching.
Colleagues
Trevor Sumner
Lead Mentor
New York, United States
Peter Stern
Venture Partner
New York City, United States
Alan Chung
Venture Partner
New York, United States
Gokce Gizer Clover
Global Ambassador
London, United Kingdom
Jonathan Axelrod
Cofounder and Managing Partner
New York, United States
Bec Vaughan
Mentor
Brooklyn, United States
Babak Poushanchi
Venture Partner
San Francisco, United States
David Levy
Venture Partner
Boston, United States
Joseph Titlebaum
Lead Mentor
Bethesda, United States
Mike Keriakos
Venture Partner
New York, United States
Carlo Cisco
Venture Scout & Lead Mentor
Miami, United States
Igor Moliver
Venture Scout
New York, United States
Jake Yormak
Founder and Managing Partner
New York City, United States
Atil Erken
Mentor
Istanbul, Turkey
Brian Hecht
Venture Partner
New York, United States
David Arcara
Mentor
New York, United States
Brian Yormak
Managing Partner
New York, United States
Andrew H.
Mentor
New York, United States
Nina Blake
Senior Investment Advisor
New York, United States
Frequently asked questions
Who is Mark Webster?
Mark Webster is an accelerator partner and venture capital investor based in New York, United States, listed as Operating Partner at Entrepreneurs Roundtable Accelerator. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Mark Webster personally.
What does Mark Webster invest in?
Listed sectors include AI, Commerce, Consumer and Education; listed focus areas include AI Applications, Analytics, Cloud Infrastructure and Data. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Mark Webster invest at?
Entrepreneurs Roundtable Accelerator appears in Growth, Pre-Seed and Seed rounds across its known deals, and Mark Webster is listed there as Operating Partner. 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 Mark Webster listed at?
Mark Webster is listed as Operating Partner at Entrepreneurs Roundtable Accelerator. 19 other people in the database share a firm with Mark Webster.
How do I contact Mark Webster?
An email address, a phone number and a LinkedIn page are on file for Mark Webster. 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