Eliezer "Eli" Gerstner (Hebrew: אליעזר גרסטנר), is an Orthodox Jewish singer, songwriter and producer. Gerstner began composing songs as a teenager. He produces albums of contemporary Jewish religious music under the name "EG Productions". He launched and produces the Yeshiva Boys Choir, The Chevra, Yosis Orchestra, Tek-Noy, Menucha, and Dovid Stein. He has produced the annual HASC A Time For Music concert since HASC 29 in 2016.