chairperson
US
UK chairperson n: ([sb] who leads meeting)
SC 会议主席 huì yì zhǔ xí
TC 會議主席
TC 會議主席
SC 会议主持人 huì yì zhǔ xí，huì yì zhǔ chí rén
The chairperson started the meeting ten minutes late.
cochairperson, co-chairperson, plural: cochairpersons, co-chairpersons n: ([sb] who presides jointly)
SC 联合主席 lián hé zhǔ xí
TC 聯合主席
TC 聯合主席