[4] Gershon's clients included film director Michael Ritchie, choreographer Ron Field, playwright Tom Eyen, rock band Chicago,[5] drummer Pete Best,[6] and writer Shel Silverstein.
[12] Later, Gershon partnered with CBS and Allan Carr to produce a breakthrough album for Plácido Domingo, Goya: A Life in Song,[13] as well as the Broadway show, La Cage aux Folles.
[26][27] Gershon has been active in charities such as the ArtsConnection, and has served as vice chairperson of the Development Committee for New York University's Tisch School of the Arts.
[28] Gershon also created the Freddie G Fellowship, which each year selects eight theater instructors to attend an all-expenses-paid, four-day trip to New York City to work one-on-one with industry professionals in seminars, master classes, and Broadway shows.
[35] Gershon grew up in Bayside, NY with his close friend Eddie Birnbaum (who passed away on April 23, 2022) for whom he wrote a long, loving and remarkable New York Times death notice.