Yoko Isobe, Venture Partner at 15th rock ventures, LLP is an active investor based in Tokyo, Tokyo. This profile covers what Yoko Isobe backs, at which stage, and how founders can reach out in 2026.
Yoko Isobe is an environmental design creator who previously worked at Sony on products like the PlayStation and Walkman.
Yoko Isobe invests in Hardware & Deep Tech, Consumer & Retail and Gaming & Entertainment, typically at Early Stage Venture.
- Location
- Tokyo, Tokyo
- Typical check
- $500K
What does Yoko Isobe invest in?
- Investor type
- VC
- Stages
- Early Stage Venture
Where is Yoko Isobe based?
Yoko Isobe is based in Tokyo, Tokyo.
- Browse more startup investors near Yoko Isobe:
- Startup investors in TokyoStartup investors in Japan
How to reach Yoko Isobe
Angels and operators like Yoko Isobe 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
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Cite this page
Round Funded. "Yoko Isobe." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/yoko-isobe-tokyo
Frequently Asked Questions
Who is Yoko Isobe?
Yoko Isobe, Venture Partner at 15th rock ventures, LLP is an active investor based in Tokyo, Tokyo. Yoko Isobe invests in Hardware & Deep Tech, Consumer & Retail and Gaming & Entertainment, typically at Early Stage Venture.
What does Yoko Isobe invest in?
Yoko Isobe invests in Hardware & Deep Tech, Consumer & Retail and Gaming & Entertainment, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Yoko Isobe invest at?
Yoko Isobe typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Yoko Isobe's typical check size?
Yoko Isobe typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
Where is Yoko Isobe based?
Yoko Isobe is based in Tokyo, Tokyo.
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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