noun
action committee; executive committee
A committee responsible for planning and carrying out events or projects. Often used in school, community, or organizational contexts.
文化祭の実行委員に選ばれた。
I was chosen for the cultural festival executive committee.
実行委員は来週の会議で予算を決める。
The executive committee will decide the budget at next week's meeting.
Compound of 実行 (じっこう, 'execution') + 委員 (いいん, 'committee member').