Tatsuru Isayama, Principal at Dentsu Ventures is an active investor based in Tokyo, Tokyo. This profile covers what Tatsuru Isayama backs, at which stage, and how founders can reach out in 2026.
Tatsuru Isayama is responsible for venture investment and business development at Dentsu Ventures, skilled in Integrated Marketing, Business Strategy, and Business Development.
Tatsuru Isayama invests in Marketing & AdTech, typically at Early Stage Venture.
- Investor type
- Corporate VC
- Stages
- Early Stage Venture
- Invests in
- Marketing & AdTech
- Location
- Tokyo, Tokyo
- Typical check
- $500K
How to reach Tatsuru Isayama
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About this profile
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Round Funded. "Tatsuru Isayama." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/tatsuru-isayama
Frequently Asked Questions
Who is Tatsuru Isayama?
Tatsuru Isayama, Principal at Dentsu Ventures is an active investor based in Tokyo, Tokyo. Tatsuru Isayama invests in Marketing & AdTech, typically at Early Stage Venture.
What does Tatsuru Isayama invest in?
Tatsuru Isayama invests in Marketing & AdTech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Tatsuru Isayama invest at?
Tatsuru Isayama typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Tatsuru Isayama's typical check size?
Tatsuru Isayama 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.