EPNextS,Inc.

About EPNextS

Management Philosophy

Our Mission
We will contribute to the advancement of the healthcare industry by providing high-value-added solutions to our clients.
Our Vision
If we improve each day, we can progress ourselves daily and will continue to do so.
Ever Progressing System
Our Values

For our Clients

We always place the highest priority on meeting clients’ needs and providing high-value-added services.

For our Business

We will contribute to the advancement of society through sustained development of our businesses.

For our People

We will grow through our service to clients, and improve the quality of life (QOL) of all our stakeholders.

Company Profile

Corporate Name
EPNextS, Inc.
Representative Director
Tatsuma NAGAOKA
Registered address
TSUKUDO TERRACE, 2-1 TsukudoHachimancho, Shinjuku-ku,
Tokyo 162-0815, Japan
Establishment
October 4, 2022
Capital
100 million yen
Business Overview
Overseeing clinical trial business and post-marketing business to create new business solutions in the healthcare sector

Leadership Team

Board Members and
Statutory Auditors

As of May 1, 2025

Representative Director
Tatsuma NAGAOKA
Board Member
Akira SASA
Board Member
Takehisa YAMADA
Board Member
Kenichi YAMAMOTO
Director (Part-time)
Kazuki SEKITANI
Director (Part-time)
Sadahiro SUGITA
Board Member (External)
Toshio SHIMADA
Board Member (External)
Junichi TAGUCHI
Board Member (External)
Aya YOKOYAMA
Audit & Supervisory Board Member
Shinji KAMIYA

Executive Officer

As of October 1, 2025

President and Representative Executive Officer
Tatsuma NAGAOKA
Senior Managing Executive Officer
Akira SASA
Senior Managing Executive Officer
Takehisa YAMADA
Managing Executive Officer
Kenichi YAMAMOTO
Senior Executive Officer
Hisayuki YOKOSE
Senior Executive Officer
Kanami IKEDA
Senior Executive Officer
Takuya KUSABA
Senior Executive Officer
Mitsuyoshi NAGATSUMA
Senior Executive Officer
Kenji SAKUMA

Address

TSUKUDO TERRACE, 2-1 Tsukudohachimancho,
Shinjuku-ku, Tokyo, Japan
TEL:+81-3-4586-5435

  • JR Iidabashi Stn. East Exit

  • Subway Iidabashi Stn.Exit B1,C1

Our History

  • 1991

    E.P.S. Tokyo, Co., Ltd. was started with three employees, focusing on the development of “systems to manage treatment allocation and trial progress” and “GCP management systems” to manage clinical trials scientifically and ethically.

    The company received investment from Fudan University in China and changed its name to EPS Tokyo Inc.

  • 1993

    We were contracted to develop a support system for two large-scale clinical trials (the “MEGA Study” and the “ATHEROMA Study”) as part of the Ministry of Health and Welfare’s drug epidemiology research. In addition, data center operations have begun for both studies.

  • 1996

    Company name changed to EPS Co., Ltd.

  • 1999

    We started operations in Shanghai as the first full-fledged contract research organization (CRO) in China.

    We started our SMO business to support clinical trial-related operations of medical institutions. Since then, through several mergers, the EPS Group’s SMO business has grown to hold the No. 1 market share in the industry.

  • 2000

    Started CSO (Contract Sales Organization) business, which undertakes MR (Medical Representative) operations for pharmaceutical companies.

  • 2001

    We became the first CRO to go public.
    EPS Corporation listed on JASDAQ.

  • 2003

    Launched CRO business in Southeast Asia.

  • 2006

    EPS Corporation listed on the 1st section of the Tokyo Stock Exchange.

  • 2010

    Started Pharmaceutical products sales business in China.

  • 2015

    Transferred to a holding company system and changed the company name to EPS Holdings, Inc.

  • 2016

    Capital and business alliance agreement with SUZUKEN CO., LTD.

  • 2020

    Participation in joint development of DNA vaccine for new coronavirus (COVID-19).

  • 2021

    30th anniversary of the foundation.
    MBO implemented and unlisted.

  • 2022

    TSUKUDO TERRACE, our own building was completed.

  • 2023

    EPNextS, Inc. started full operation overseeing our core businesses of EPS group (CRO, SMO, CSO) .

We welcome inquiries about each of our individual business questions,
as well as broader consultations covering multiple areas, such as our group's overall solutions.
Please feel free to contact us.