OFFICERS 2025/2026

IMMEDIATE PAST PRESIDENT

Peter Robertson
New Zealand

SECOND PAST PRESIDENT

Kazuhiro Chiba
Japan

TREASURER

Gianluca Vadalà
Italy

SECRETARY

Daisuke Sakai
Japan

PRESIDENT

Yong Hai
China

SECOND VICE PRESIDENT

Hans-Joachim Wilke
Germany

FIRST VICE PRESIDENT

Jeffrey Lotz
USA

SECRETARY-ELECT

Dino Samartzis
USA

REGIONAL REPRESENTATIVES 2025/2026

Africa

Ian Vlok (2025-2028)

Asia/Pacific

Paul Hodges (2024-2027)

Canada

Christy Tomkins-Lane (2025-2028)

Europe

Fabio Galbusera (2025-2028)

Japan

Sumihisa Orita (2025-2028)

Eastern U.S.

John Popovich (2023-2026)

Central U.S.

Ahmad Nassr (2025-2028)

Western U.S.

Noah Bonnheim (2024-2027)

COMMITTEES 2025/2026

Helena Brisby – Chair
Yong Hai – President
Jeffrey Lotz – First Vice President
Peter Robertson – Immediate Past President
Daisuke Sakai – Secretary
Dino Samartzis - Secretary Elect
Hans-Joachim Wilke
Nobuyuki Fujita, Chair (Outgoing 2026)
Steve Brown
Marc-Antoine Rousseau
Yong Hai (President)
Daisuke Sakai (Secretary)
Dino Samartzis (Secretary-Elect)
Graciosa Quelhas Teixeira, Chair (Outgoing 2026)
Dennis Hey
J Naresh Babu
Yong Hai (President)
Daisuke Sakai (Secretary)
Dino Samartzis (Secretary Elect)
Nam Vo, Chair (Outgoing 2026)
Gen Inoue
Raphaël Vialle
Yong Hai (President)
Daisuke Sakai (Secretary)
Dino Samartzis (Secretary Elect)
Daisuke Sakai – Secretary (Chair)
Yong Hai – President
Peter Robertson – Immediate Past President
Dino Samartzis (Secretary Elect)
James D Kang (2024-2027)
Yoshiharu Kawaguchi (2025-2028)
David Wong (2025-2028)
Daisuke Sakai – Secretary (Chair)
Yong Hai – President
Jeffrey Lotz – 1st Vice President
Hans-Joachim Wilke – 2nd Vice President
Dino Samartzis (Secretary Elect)
Scientific Representatives
Peter Robertson – Immediate Past President (Chair)
Daisuke Sakai (Secretary)
Dino Samartzis (Secretary Elect)
Plus 3 members
Sibylle Grad, Chair (Outgoing 2026)
Koichi Sairyo
Donna Ohnmeiss
Jeannie F. Bailey
Jordy Schol
Terence McSweeney
Chantal Voskamp
Clara Ruiz-Fernández
Luca Ambrosio
Elisabetta de Rinaldis

You will find information about past Officers and Committees here.