noun
doyen
DOY-un/ˈdɔɪən/
A leading member of a group respected for long experience.
The sculptors watch their doyen make a precise finishing adjustment to the bust.

Etymology
A decanus originally commanded ten soldiers and also headed a group of ten monks. The title broadened from leadership of a group to seniority within it, giving doyen its sense of an established, respected member.
More examples
- She is widely regarded as the doyen of American food writers.
- Even the doyens of the profession welcome his fresh approach.
- After fifty years onstage, he remains the doyen of the local theater community.
Forms
doyen · doyens
doyenne noun — A woman respected for long experience.