He began his career as a talent agent, having managed relatively unknown singer John Denver in 1970, developing Denver's success through concerts, television specials and film roles, including Oh, God! (1977).
Ia memulai kariernya sebagai agen bakat, menaungi penyanyi John Denver pada 1970, mengembangkan kesuksesan Denver sepanjang konser-konser, acara-acara khusus televisi dan peran-peran film, termasuk Oh, God! (1977).