Manabu Yamaki is an angel investor and operator angel based in Japan. The known portfolio is one company, Smartround.
Is Manabu Yamaki a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
Contacts
Manabu Yamaki portfolio company (1)
- Smartround
Investor Profile
Founders in the listed sectors FinTech and SaaS, and focus areas Banking, Productivity and Task Management will recognize the pattern in this portfolio.
The stage tag on this profile is Seed.
The portfolio and focus above give founders context on whether Manabu Yamaki matches their raise.
Similar investors
Showing 20 of 100
Michimasa Naka
angel investor
Tokyo, Japan
Yoshinori Fukushima
angel investor and operator angel
Tokyo, Japan
Shintaro Tsuji
angel investor
Japan
Genki Shiota
angel investor
Japan
Shin Iwata
MIRAISE - Partner & CEO
Tokyo, Japan
Nobuhiro Ariyasu
angel investor and operator angel
Tokyo, Japan
Subrah S Iyar
angel investor and operator angel
Cupertino, United States
Sam Yam
angel investor and operator angel
United States
Tetsuro Miyatake
angel investor and operator angel
Tokyo, Japan
James Riney
Founding Partner & CEO
Japan
Yosuke Takata
angel investor
Tokyo, Japan
Kenji Niwa
angel investor and operator angel
San Francisco, United States
Taizo Son
angel investor and operator angel
Japan
You Matsutani
angel investor and operator angel
Los Angeles, United States
Takashi Mukaibayashi
angel investor and operator angel
Tokyo, Japan
Shota Horii
angel investor and operator angel
Japan
Aymeric Vigneras
angel investor
Cambridge, United States
Kazuma Ieiri
CEO / Co-founder
Tokyo, Japan
Koichiro Yoshida
CEO / Founder
Tokyo, Japan
Michael Yavonditte
angel investor and operator angel
Greenwich, United States
Frequently asked questions
Who is Manabu Yamaki?
Manabu Yamaki is an angel investor and operator angel based in Japan with one known investment on file, Smartround. The sections above list the sectors and stages attached to that record.
What does Manabu Yamaki invest in?
Listed sectors include FinTech and SaaS; listed focus areas include Banking, Productivity and Task Management. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Manabu Yamaki invest at?
The database lists Manabu Yamaki for Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Manabu Yamaki?
A LinkedIn page is on file for Manabu Yamaki. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal