Masahide Koike
General Partner at ThetaTimesVentures
Tokyo, Japan
Masahide Koike, General Partner at ThetaTimesVentures is an active investor based in Tokyo, Japan. This profile covers what Masahide Koike backs, at which stage, and how founders can reach out in 2026.
Mr. Masahide Koike serves as Chief Executive Officer and President at Gratch Scaling. He serves as General Partner at Theta Times Ventures.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- Media & ContentSaaS & Enterprise
- Location
- Tokyo, Japan
- Typical check
- $500K
- Past investments
- 3
Notable investments
How to reach Masahide Koike
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Frequently Asked Questions
What does Masahide Koike invest in?
Masahide Koike invests in Media & Content and SaaS & Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Masahide Koike invest at?
Masahide Koike typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Masahide Koike's typical check size?
Masahide Koike typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact Masahide Koike?
Unlock Masahide Koike's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.