Board Members

JSOG Board Members 2025-2027

The term of the board members is two years from June 2025 to June 2027.

Executive Board Members

Masaki MANDAI
Chairperson of the Executive Board

Nao SUZUKI
Vice Chairperson of the Executive Board
Secretary General

Akihiko SEKIZAWA
Vice Chairperson of the Executive Board
Chairperson of Board Certification Committee

Aikou OKAMOTO
Treasurer

Satoru NAGASE
Chairperson of Scientific Program Committee

Hiroaki KAJIYAMA
Editor-in-Chief

Mamoru TANAKA
Chairperson of International Relations Committee

Kaori KOGA
Chairperson of Social Insurance Committee

Kiyonori MIURA
Chairperson of Committee on Professional Scientific Conduct and Clinical Ethics

Hisashi MASUYAMA
Chairperson of Education Committee

Kiyoko KATO
Chairperson of Committee on Collaboration with Regional Ob & Gyn Societies

Kei KAWANA
Chairperson of Public Relations Committee

Yoshimasa KAMEI
Chairperson of Medical Care System Measure Committee

Board Members

Yasushi HIROTA

Kazuhiko INO

Masanori ISOBE

Kenji KANENISHI

Yoichi KOBAYASHI

Noriomi MATSUMURA

Akitoshi NAKASHIMA

Masatoshi SAITO

Tsuyoshi SAITO

Toshiyuki SUMI

Fuminori TANIGUCHI

Kiyoshi YOSHINO

Outside Board Member

Yasuko FUSE

Auditors and Supervisors

Daisuke AOKI

Yutaka OSUGA

Tadashi KIMURA

Outside Auditor and Supervisor

Shoichi SHIBANO

Project Board Members

The term of Project Board Members is two years from June 2025 to June 2027.

Wataru YAMAGAMI

Eiko YAMAMOTO

Adviser

The term of the adviser is two years from June 2025 to June 2027.

Tomoyuki FUJII

Yasunori YOSHIMURA

Standing Committee Chairpersons

The term of the Standing Committee Chairpersons is two years from June 2025 to June 2027.

Fuminori TANIGUCHI
Reproductive Endocrinology Committee

Toyomi SATOH
Gynecologic Oncology Committee

Akihiko SEKIZAWA
Perinatology Committee

Takeshi IWASA
Women’s Health Care Committee

Congress President

Hidemichi WATARI（Hokkaido University）
The 78^th Annual Congress of JSOG
to be held in Sapporo on May 15-17, 2026

Etsuko MIYAGI（Yokohama City University）
The 79^th Annual Congress of JSOG
to be held in Yokohama on April 23-25, 2027

Akihiko SEKIZAWA（SHOWA Medical University）
The 80^th Annual Congress of JSOG
to be held in Tokyo on April 21-23, 2028