vice-chairpersons

基本解释

The Board of Directors can create specialized task forces based on need. One or more vice-chairpersons or assistant secretaries will head these task forces.
第十七條本會根據工作需要，設立專門工作委員會、專門事項小組，由一名或多名副理事長或副秘書長負責。
tsinghuayouth.org
This session of Codex will also elect a new Chairperson and Vice-Chairpersons for the Commission, and will review the current structure of its subsidiary bodies.
本屆食典委會議還將選出委員會新的主蓆和副主蓆，竝將讅查其附屬機搆的現有結搆。
The Board of Directors will establish several youth task forces lead by one or more vice-chairpersons or assistant secretaries. One or more youth will also share responsibility for their task force.
第十八條本會設立多個青少年工作委員會（如網站建設和維護委員會等），由一名或多名副理事長或副秘書長負責，同時有一名或多名青少年擔任共同負責人。
tsinghuayouth.org

There are 40 seats on IOC Executive Council (1 Chairperson, 5 Vice-chairpersons and 34 Member States).
UNESCO: Social and Human Sciences
After the close of the 36th session of the General Conference, the Executive Board will meet to elect its Bureau (Chairperson, Vice-chairpersons, Commission Presidents and Commissions).
UNESCO: MEDIA SERVICES