Jack Mattson

Active Investor

Investment Management, Office of the Founding Partner at ICONIQ Capital

New York, New York

LinkedIn

Jack Mattson, Investment Management, Office of the Founding Partner at ICONIQ Capital is an active investor based in New York, New York. This profile covers what Jack Mattson backs, at which stage, and how founders can reach out in 2026.

Jack Mattson is involved in Investment Management at ICONIQ Capital, focusing on the Office of the Founding Partner.

Jack Mattson invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture, Seed and Series A.

Location
New York, New York
Typical check
$500K

What does Jack Mattson invest in?

Investor type
VC
Stages
Early Stage VentureSeedSeries A

Where is Jack Mattson based?

Jack Mattson is based in New York, New York.

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How to reach Jack Mattson

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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. "Jack Mattson." Round Funded investor database, updated September 22, 2026.

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

Frequently Asked Questions

Who is Jack Mattson?

Jack Mattson, Investment Management, Office of the Founding Partner at ICONIQ Capital is an active investor based in New York, New York. Jack Mattson invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture, Seed and Series A.

What does Jack Mattson invest in?

Jack Mattson invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.

What stage does Jack Mattson invest at?

Jack Mattson typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.

What is Jack Mattson's typical check size?

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

Where is Jack Mattson based?

Jack Mattson 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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