DexAIDexAI

Company History

Our journey so far, driven by the mission of "bringing top-class AI technology into society by the shortest path" — together with the background of our founder.

Company Milestones

  1. 2024 / 06

    Toranomon office opened

    Opened a base at Toranomon Hills Business Tower as a hub for remote and agile development — a next-generation setup where top AI talent can maximize performance regardless of location.

  2. 2024 / 06

    DexAI Co., Ltd. established

    Formally established as a next-generation professional firm connecting AI specialists across domains, under the mission of "bringing top-class AI technology into society by the shortest path."

  3. 2024 / 08

    Hosted and spoke at Tokyo AI events

  4. 2024 / 10

    Began development projects for local governments and manufacturing

  5. 2025 / 10

    Began development projects in the financial industry

  6. 2026 / 05

    Team grew to approximately 20 members

Founder's Background

Henry Sai

CEO / Ph.D. in Computer Science, the University of Tokyo

Over five years of experience managing projects end to end — from requirements definition to development — using machine learning, deep learning, and mathematical optimization.

  1. 2017 / 03

    B.S. in Information Science, Faculty of Science, the University of Tokyo

  2. 2018 / 10

    Awarded competitive research grants including the RIKEN AIP Challenge

  3. 2019 / 03

    M.S. in Computer Science, Graduate School of Information Science and Technology, the University of Tokyo

    Researched machine learning theory at the Sugiyama-Sato Lab.

  4. 2021 / 04

    Selected as a JSPS Research Fellow (DC2)

  5. 2021 / 05

    Co-founded a University of Tokyo startup, serving as CTO

  6. 2021 / 07

    Published papers at international and domestic venues including ICML

  7. 2021 / 08

    Multiple corporate internships and university visits

  8. 2022 / 03

    Ph.D. in Computer Science, Graduate School of Information Science and Technology, the University of Tokyo

    Doctoral thesis on weakly supervised learning and active learning.

  9. 2024 / 06

    Selected for the MITOU Advanced Program

  10. 2025 / 04

    Appointed part-time lecturer at a national university