Masatoshi Kumagai

Active Investor

Angel investor in Tokyo

Tokyo, Tokyo

Masatoshi Kumagai, Angel investor in Tokyo is an active investor based in Tokyo, Tokyo. This profile covers what Masatoshi Kumagai backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Pre SeedSeed
Invests in
SaaS & Enterprise
Location
Tokyo, Tokyo
Typical check
$150K
Past investments
1

Notable investments

GMO Internet

How to reach Masatoshi Kumagai

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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. "Masatoshi Kumagai." Round Funded investor database, updated September 9, 2026.

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

Frequently Asked Questions

What does Masatoshi Kumagai invest in?

Masatoshi Kumagai invests in SaaS & Enterprise, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Masatoshi Kumagai invest at?

Masatoshi Kumagai typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Masatoshi Kumagai's typical check size?

Masatoshi Kumagai typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.

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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