§ 01 / ABOUT

Thoughtful.
Patient.
Quantitative.

思慮深く。忍耐強く。定量的に。

A boutique investment and consulting firm bridging Japanese excellence with global markets — combining quantitative rigor, cross-Pacific expertise, and purposeful philanthropy.

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§ 02 / MISSION

Our Mission

Deerfield Green is a private quantitative investment firm based in Minato-ku, Tokyo, Japan. Our mission is twofold: seeking alpha across global markets and channeling the yields from our portfolio into philanthropic endeavors that make a positive impact on society. We firmly believe that capitalistic endeavors can be blended with a deep sense of purpose to empower and improve the lives of others.

  1. 01

    Alpha with Purpose

    We apply quantitative strategies to identify and capture alpha in global markets, leveraging data-driven models and rigorous analysis.

  2. 02

    Philanthropy at the Center

    Our investment thesis centers around the singular purpose of philanthropy — from Japanese cultural preservation and scholarships to mental health advocacy.

  3. 03

    Sustainable Impact

    By generating strong financial returns, we ensure the sustainability and growth of our philanthropic initiatives over the long term.

Deerfield Green team collaboration
Deerfield Green team collaboration

§ 03 / PRACTICE

Our Services

Four practices, one thesis — quantitative rigor and patient capital in service of purpose.

  1. § 01 QUANT / AI

    Investment

    AI-driven quantitative investment in NYSE and NASDAQ, focused on managing risk and generating alpha through non-correlated returns.

  2. § 02 AI / SAAS

    Services

    AI product strategy and SaaS subscription revenue consulting — where data-driven growth meets intelligent innovation.

  3. § 03 HEALTHCARE / VC

    Incubator

    Bridging Japanese innovation with global healthcare markets through an incubator-style venture capital model.

  4. § 04 HEALTHCARE / PE

    Private Equity

    Japan's healthcare revolution through patient capital — operational excellence delivering exceptional returns.

§ 04 / VALUES

Our Values

Guided by principles that bridge Eastern wisdom with Western innovation.

  1. 01

    Patient Capital Philosophy

    In practice: multi-year horizons on Japan healthcare private equity and incubator positions, with capital aligned to operating teams and clinical milestones rather than quarterly targets.

  2. 02

    Cross-Pacific Expertise

    In practice: navigating Japanese regulatory pathways for medical innovation, adapting Silicon Valley SaaS go-to-market for the Japanese enterprise buyer, and acting as the cultural translation layer between U.S. founders and Japanese partners.

  3. 03

    Technology-Driven Approach

    In practice: proprietary quantitative strategies running on NYSE and NASDAQ for risk-managed alpha, and AI product strategy engagements that tie model choices and inference costs back to measurable business outcomes.

§ 05 / LOCATIONS

Where We Work

  1. § 01 JAPAN / HQ

    Minato-ku, Tokyo, Japan

    Our headquarters in the heart of Tokyo.

  2. § 02 USA / OFFICE

    Milton, Georgia

    Our U.S. office in the greater Atlanta area.

§ 06 / CONTACT

Let's build together.

ご一緒に築きましょう。

Whether you're seeking strategic consulting, investment partnership, or cross-Pacific market expertise, we'd love to hear from you.

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