IOC Sub-Commission for the Western Pacific (WESTPAC)
Advancing knowledge and cooperation for a healthy ocean and prosperous society
WESTPAC Officers
WESTPAC Officers (Chairperson and Vice-chairpersons) are elected by delegates at each intergovernmental Session.
The Chairperson shall preside over the sessions of the Sub-Commission and carry out the duties which are entrusted to him/her. The Vice-Chairpersons assist the Chairperson in his/her functions and substitute him/her where necessary. The Vice-Chairpersons will be entrusted with specific responsibilities.
The Chairperson and the Vice-Chairpersons of an IOC Subsidiary Body shall not remain in his/her mandate for more than two successive terms, according to the IOC Manual Section 5.
April 2025 – Present
At the Fiffteenth Intergovernmental Session of the IOC Sub-Commission for the Western Pacific (WESTPAC-XV, 11–13 March 2025, Tokyo, Japan), the Sub-Commission elected, by acclamation, Aileen Tan Shau Hwai from Malaysia as Chairperson; Vyacheslav Lobanov from the Russian Federation, Sung Hyun Nam from Republic of Korea, and Aletta Yñiguez from the Philippines as Vice-Chairpersons of the Sub-Commission for the next intersessional period.
Aileen Tan Shau Hwai
Chairperson
Vyacheslav Lobanov
Vice-Chairperson
Sung Hyun Nam
Vice-Chairperson
Aletta Yñiguez
Vice-Chairperson
May 2023 – March 2025
Election at the Fourteenth Intergovernmental Session of the IOC Sub-Commission for the Western Pacific (WESTPAC-XIV), Jakarta, Indonesia, 4–7 April 2023
Kentaro Ando
Chairperson
Aileen Tan Shau Hwai
First Vice-Chairperson
Fadli Syamsudin
Second Vice-Chairperson
May 2021 – April 2023
Election at the Thirteenth Intergovernmental Session of the IOC Sub-Commission for the Western Pacific (WESTPAC-XIII), Online, 27–29 April 2021
Kentaro Ando
Co-Chairperson
Fangli Qiao
Co-Chairperson
Aileen Tan Shau Hwai
Vice-Chairperson
May 2017 – April 2021
Election at the Eleventh Session, Qingdao, China, 21–23 April 2017 and Twelfth Session, Manila, the Philippines, 2–5 April 2019
Vo Si Tuan
Chairperson
Fangli Qiao
Vice-Chairperson
Zainal Arifin
Vice-Chairperson
Kentaro Ando
Vice-Chairperson
May 2012 – April 2017
Election at the Ninth Session, Busan, Republic of Korea, 9–12 May 2012 and Tenth Session, Phuket, Thailand, 12–15 May 2015
Somkiat Khokiattiwong
Chairperson
Youn-Ho Lee
First Vice-Chairperson
Vo Si Tuan
Second Vice-Chairperson
May 2008 – April 2012
Election at the Seventh Session, Kota Kinabalu, Sabah, Malaysia, 26–29 May 2008 and Eighth Session, Bali, Indonesia, 10–13 May 2010
Zhang Zhanhai
Chairperson
Yasuwo Fukuyo
First Vice-Chairperson
Nor Aieni Binti Hj Mokhtar
Second Vice-Chairperson
September 2002 – April 2008
Election at the Fifth Session, Fremantle, Australia 9–13 September 2002 and Sixth Session, Nha Trang, Vietnam 23–27 May 2005
March 1996 – August 2002
Election at the Third Session, Tokyo, Japan, 26 February – 1 March 1996 and Fourth Session, Seoul, Republic of Korea, 22–26 March 1999
Hyung Tack Huh
Keisuke Taira
Dang Ngoc Thanh
First Vice-Chairperson
Manuwadi Hungspreugs
First Vice-Chairperson
Haiqing Li
Second Vice-Chairperson
Hyung Tack Huh
Second Vice-Chairperson
February 1993 – February 1996
Election at the Second Session, Bangkok, Thailand, 25–29 January 1993
February 1990 – January 1993
Election at the first Session, Hangzhou, China, 5–9 February 1990
Su Jilan
Takahisa Nemoto
Tomio Asai
First Vice-Chairperson
Su Jilan
First Vice-Chairperson
Manuwadi Hungspreugs
Second Vice-Chairperson
Charoen Vashrangsi
Second Vice-Chairperson
IOC Regional Committee for the Western Pacific (1977–1990)
July 1987 – January 1990
Election at the Fourth Session, Bangkok, Thailand, 22–26 June 1987
October 1983 – June 1987
Election at the Third Session, Townsville, Australia, 19–24 September 1983
Takahisa Nemoto
John Stuart Bunt
Choompol Swasdiyakorn
First Vice-Chairperson
Piamsak Menasveta
First Vice-Chairperson
February 1979 – September 1983
Election at the First Session, Tokyo, Japan, 21–24 February 1979 and Second Session, Jakarta, Indonesia, 19–24 October 1981
Aprilani Soegiarto
Toshiyuki Hirano
First Vice-Chairperson