Investor profile
Itaru Shiraishi
Accelerator, Syndicate / Angel group, Venture capital & Venture Partner at Energy & Environment Investment, Unreasonable Mentor at Unreasonable
Itaru Shiraishi works as a Venture Partner at Energy & Environment Investment. The firm's known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Venture Partner at Energy & Environment Investment, whose known portfolio counts 10 companies
- Sharing Energy
- T2
- pH7
- NABLA Mobility
- Power Wave
- Shippio
- Ubiden
- Hacobell
- KG Motors
- MetaSensing
Unreasonable Mentor at Unreasonable, whose known portfolio counts 2 companies
- Eneza Education
- Classcraft
Investor Profile
Itaru Shiraishi is listed against sectors AI, Climate, Commerce and Consumer, and focus areas Analytics, Clean Energy, Clean and Renewable Energy and Computer Vision in the database.
Stage-wise, the deals at Energy & Environment Investment cluster around Growth, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Itaru Shiraishi is worth approaching.
Colleagues
Showing 20 of 21
Joel Wish
Angel Investor & Advisor
Austin, United States
Rafe Furst
Unreasonable Mentor
Boulder, United States
Billy Parish
Mentor
Berkeley, United States
Mark Curtis
Unreasonable Mentor
London, United Kingdom
Soumitra Mishra
Unreasonable Fellow
San Francisco, United States
Peter Bruce-Clark
Mentor
London, United Kingdom
Kathryn Wortsman
Unreasonable Mentor
Toronto, Canada
Minchan Park
Director of Venture Selection & Investments
London, United Kingdom
Danny Kennedy
Unreasonable Mentor
Oakland, United States
Tayo Oviosu
Unreasonable Fellow
Nigeria
Sanu Desai
Mentor
San Francisco, United States
Mike Curtis
Unreasonable Mentor
Honolulu, United States
Andy Boyd
Mentor
Barcelona, Spain
Brendan Richardson
Unreasonable Fellow
Charlottesville, United States
Corinne Gray
Vice President
United Kingdom
Tony Guo
Portfolio & Investment Selection Principal
Toronto, Canada
Sophie Sandham
Director
Cape Town, South Africa
Brittany Mazal
Chief Executive Officer
San Diego, United States
Krating Poonpol
Founding Member
Bangkok, Thailand
Masaki Yano
Venture Partner
Netherlands
Frequently asked questions
Who is Itaru Shiraishi?
Itaru Shiraishi is an accelerator partner and syndicate member based in Japan, listed as Venture Partner at Energy & Environment Investment. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Itaru Shiraishi personally.
What does Itaru Shiraishi invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include Analytics, Clean Energy, Clean and Renewable Energy and Computer Vision. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Itaru Shiraishi invest at?
Energy & Environment Investment appears in Growth, Seed and Series A rounds across its known deals, and Itaru Shiraishi is listed there as Venture Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Itaru Shiraishi listed at?
Itaru Shiraishi is listed as Venture Partner at Energy & Environment Investment. 21 other people in the database share a firm with Itaru Shiraishi.
How do I contact Itaru Shiraishi?
An email address, a phone number and a LinkedIn page are on file for Itaru Shiraishi. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal