The office of Chairman was established in October 1997, when the Articles of Association were completely revised. The President acted as the representative of the JSCO from the time of its establishment until October 1997.
7th Chairman
Yuichiro Doki
(Professor, Department of Surgery, Graduate School of Medicine Faculty of Medicine, Osaka University*)
Period：October 2019–October 2023
6th Chairman
Yuko Kitagawa
(Professor, Department of Surgery, Graduate School of Medicine, Keio University*)
Period：October 2015–October 2019
5th Chairman
Masahiko Nishiyama
(Professor, Department of Molecular Pharmacology and Oncology, Gunma University*)
Period：October 2011–October 2015
4th Chairman
Yoshihiko Maehara
(Professor, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University*)
Period：October 2009−October 2011
3rd Chairman
Morito Monden
(Member of the Board of Directors and Vice-President, Osaka University, and Professor, School of Medicine, Osaka University*)
Period：October 2005–October 2009
2nd Chairman
Masaki Kitajima
(Professor, School of Medicine, Keio University*)
Period：November 2001–October 2005
1st Chairman
Keizo Sugimachi
(Professor, School of Medicine, Kyushu University*)
Period：October 1997–November 2001
*affiliation during the President
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