Mark Leiter

Active Investor

Venture investor in New York

New York, New York

Mark Leiter, Venture investor in New York is an active investor based in New York, New York. This profile covers what Mark Leiter backs, at which stage, and how founders can reach out in 2026.

Mark Leiter is a strategist and venture investor specializing in business-to-business (B2B) organizations, helping them elevate performance.

Mark Leiter invests in SaaS & Enterprise, typically at Early Stage Venture.

Location
New York, New York
Typical check
$500K

What does Mark Leiter invest in?

Investor type
VC
Stages
Early Stage Venture

Where is Mark Leiter based?

Mark Leiter is based in New York, New York.

How to reach Mark Leiter

Angels and operators like Mark Leiter reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "Mark Leiter." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-leiter

Frequently Asked Questions

Who is Mark Leiter?

Mark Leiter, Venture investor in New York is an active investor based in New York, New York. Mark Leiter invests in SaaS & Enterprise, typically at Early Stage Venture.

What does Mark Leiter invest in?

Mark Leiter invests in SaaS & Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Mark Leiter invest at?

Mark Leiter typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Mark Leiter's typical check size?

Mark Leiter typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

Where is Mark Leiter based?

Mark Leiter is based in New York, New York.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

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