Both Mehrotra, who currently is the head of global activism, and Haufrect, who is global head of natural resources M&A, will continue to hold their existing roles.
Russ Hutchinson will rejoin Goldman's investment banking unit as chief operating officer of its global M&A business, according to the memo.
The contents of the memo were confirmed by a Goldman spokesperson.
(Reporting by Svea-Herbst Bayliss and Anirban Sen in New York; Editing by Chris Reese)
By Svea Herbst-Bayliss and Anirban Sen