Keith Isobe

Active Investor

Angel investor in Tokyo

Tokyo, Japan

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

Investor type
AngelVCPE
Stages
Early Stage VentureSeedLate Stage Venture
Invests in
Quantum & SemiconductorsCrypto & Web3Food & BeverageMarketing & AdTechDigital Health & HealthTechHardware & Deep TechE-commerce & D2C
Location
Tokyo, Japan
Typical check
$500K
Past investments
10

Notable investments

Mysten LabsQuantstamp, Inc.GrubMarket Inc.AdskomMEDCAREMXAdPushupDG VENTURESWASEDA M&A PARTNERSGroupM Essence Global | WPP Group

How to reach Keith Isobe

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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. "Keith Isobe." Round Funded investor database, updated September 9, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/keith-yuki-isobe

Frequently Asked Questions

What does Keith Isobe invest in?

Keith Isobe invests in Quantum & Semiconductors, Crypto & Web3, Food & Beverage and Marketing & AdTech, typically at Early Stage Venture, Seed and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Keith Isobe invest at?

Keith Isobe typically invests at Early Stage Venture, Seed and Late Stage Venture. Lead with traction that fits the stage when you reach out.

What is Keith Isobe's typical check size?

Keith Isobe typically writes checks around $500K. 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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