A cross-border holding structure bridging U.S. capital markets with operational assets in Japan — built for the long horizon.
"Capital deployed with
conviction and patience."
Sean brings a full-cycle M&A background spanning deal origination, structuring, negotiation, and execution — across both corporate and cross-border transactions. His operating experience extends into e-commerce brand building, direct real estate acquisition, and the development of patent-protected consumer products.
Deeply active across Tokyo and Miyazaki, Sean operates with a rare dual fluency — bilingual in English and Japanese, and equally at home navigating U.S. institutional frameworks and Japanese business culture. That cultural and financial bilingualism is a genuine structural edge in identifying and executing on opportunities others can't access.
NINJA471 LLC is the vehicle for a disciplined, long-horizon strategy — concentrating capital across U.S. public markets and Japanese operational assets, structured for compounding over decades.
We invest with a multi-year horizon, concentrating capital where structural tailwinds, durable competitive advantages, and reasonable valuations converge.
High-conviction positions in businesses we understand deeply. Fewer names, greater conviction — not a broad index masquerading as a portfolio.
A Florida LLC–to–Japanese Godo Kaisha structure creates a unique pathway for holding and operating assets across both jurisdictions with efficiency and precision.
Beyond passive capital, the office operates businesses directly — in fitness, e-commerce, and IP licensing — generating cash flows that compound the portfolio base.
Long-term concentrated positions in U.S. public technology and artificial intelligence companies — with emphasis on AI infrastructure, frontier model platforms, and the semiconductor supply chain underpinning the next decade of compute.
Direct ownership of residential and commercial real estate in Japan, held through the GK structure. Focus on undervalued regional markets — particularly Miyazaki — with strong long-term lifestyle and demographic tailwinds.
Development of a gym and fitness facility in Miyazaki — anchored in the local community, combining recurring revenue with a genuine presence in a market the office knows intimately.
Relaunch of a patent-protected calisthenics equipment and nutrition brand in Japan — leveraging proprietary IP, established e-commerce infrastructure, and deep category knowledge to rebuild distribution at scale.