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Press & milestones.

Verified facts for journalists, analysts, and investors. Founding, regulatory licenses, named operators, parent company, and milestone dates with sources.

Quick-reference fact sheet

Legal name (parent)ExecutiveSearch.AI K.K. / 株式会社ExecutiveSearch.AI
Legal name (subsidiary)ESAI Agency K.K. / 株式会社ESAI Agency
Founded2017, Tokyo
FoundersKen Charles (CEO), Cody Pettit (Head of Data Operations)
Recruiting license (subsidiary)有料職業紹介事業許可 13-ユ-319155 (Tokyo Labour Bureau)
Parent companyMonstarlab Inc. (Tokyo Stock Exchange Growth Market: 5255)
Acquisition dateOctober 2023
HeadquartersEbisu Prime Square Tower 4F, 1-1-39 Hiroo, Shibuya-ku, Tokyo 150-0012
Subsidiary HQGloria Miyamasuzaka III #801, 1-10-7 Shibuya, Shibuya-ku, Tokyo 150-0002
BrandsHeadhunt.AI (platform), AgentRPO (agency)
Press contactsales@executivesearch.ai

Milestones

  1. 2017

    ExecutiveSearch.AI K.K. founded in Tokyo

    Co-founders Ken Charles and Cody Pettit. Bootstrapped.

  2. 2018

    Japan's first AI-first recruiting agency goes live

    February 1, 2018. Pre-LLM, classical-ML matching engine.

  3. 2022

    GPT-3 enters production

    Spring 2022. The agency becomes one of the earliest known LLM-augmented recruiting operations globally.

  4. 2023

    Acquired by Monstarlab Inc.

    October 2023. Joins the Monstarlab Inc. group (TSE Growth: 5255).

  5. 2024

    100% AI-powered outbound

    August 2024. The agency runs on its own platform with no manual sourcing.

  6. 2026

    Two-company structure

    February 1, 2026. Recruiting license transferred to wholly-owned subsidiary ESAI Agency K.K. The platform is offered publicly under the Headhunt.AI brand; the agency rebrands as AgentRPO.

Press inquiries

Ken Charles handles all press, analyst, and investor inquiries personally. Use this form or write to sales@executivesearch.ai. Reply within one business day. Preferred topics: AI recruiting in Japan, regulatory compliance under APPI and the Employment Security Act, the unit economics of AI-augmented recruiting, the practical limits of AI candidate scoring.

Logos and brand assets

For brand and logo assets, please email sales@executivesearch.ai with the publication and intended use.