Schedule

The 77^th Annual Congress of JSOG

Date：May 23-25, 2025
Venue：Okayama
Congress President：Prof. Hisashi MASUYAMA（Okayama University）
Website: https://www.congre.co.jp/jsog2025/en/index.html

The 78^th Annual Congress of JSOG

Date：May 15-17, 2026
Venue：Hokkaido
Congress President：Prof. Hidemichi WATARI（Hokkaido University）

The 79^th Annual Congress of JSOG

Date：2027
Venue：Yokohama
Congress President：Prof. Etsuko MIYAGI（Yokohama City University）