From 1956 to 1958 Berger was an assistant professor at the University of North Carolina at Greensboro; from 1958 to 1963 he was an associate professor at Hartford Theological Seminary.
Между 1956 и 1958 Бергер ассистент в Университете Северной Каролины; между 1958 и 1963 старший преподаватель Hartford Theological Seminary.