doyen

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A period studying under Ben Graham, the doyen of investment analysis, allowed Mr Buffett to strike out on his own, managing other people’s money.
在跟隨投資分析界老前輩Ben Graham學習的那段時間使巴菲特有機會開始獨立替他人理財。
This approach (which Geoffrey Hinton of the University of Toronto, a doyen of the field, has dubbed “deep learning”) need not be confined to computer-vision.
這種方法被這個領域內(nèi)的資深科學家，多倫多大學的Geoffrey Hinton稱為“深度學習”（見注釋5），它不必僅限于處理計算機視覺問題。
ecocn.org
Mr Nye is everything that Mr Khanna might wish one day to become: doyen of Harvard foreign-policy analysts, elite Washington public-servant, celebrated author.
肯納先生很可能希望有朝一日能夠成為像奈先生那樣的人：哈佛外國政策評論界的老前輩、華盛頓公共服務界的中堅力量、也是著名的作家。

The doyen of patient capital, Acumen Fund, celebrates its tenth anniversary this year.
FORBES: World Bank Vet Seeks $60 Million To Back Entrepreneurs
Simon Baron-Cohen, a doyen of the field who works at Cambridge University, draws similar conclusions.
ECONOMIST: Autism and extraordinary ability: Genius locus The

the oldest, most experienced, and often most respected person of all the people involved in a particular type of work

If you refer to a man as the doyen of a group or profession, you mean that he is the oldest and most experienced and respected member of it.