[2] Bok worked in mergers, acquisitions, and securities law at Wachtell, Lipton, Rosen & Katz from 1984 to 1986.
[3] From 1986 to 1997, he was the managing director of the department of mergers, acquisitions, and restructuring at Morgan Stanley.
[3] Bok joined Greenhill & Co. in 1997 as its managing director, later becoming chief executive officer.
[3] On July 1, 2021, Bok succeeded David L. Cohen as the chair University of Pennsylvania board of trustees.
[3] He resigned from the board on December 9, 2023 and was succeeded by interim chair Julie Platt.