Kenneth M. Jacobs (born September 1958)[1] is an American business executive.

[7][8] In this role, he focused on new markets and new practices,[citation needed] for example expanding Lazard’s financial advisory business via acquisitions.

[6] In November 2009, the Lazard board elected Jacobs as chairman and chief executive officer.

As of 2023,[5] Jacobs was a member of the board of trustees of the University of Chicago and the Brookings Institution.

[10] Jacobs is married to Agnès Mentre, daughter of French banker and politician, Paul Mentré;[11] she was a former Lazard banker who later became a film producer including such credits as The Wrestler, the Michael Moore documentary Fahrenheit 9/11,[12] and Wind River.