He has worked at Texas radio stations KRXV, KXOL and KLAT as well as founding the radio stations KLTY, KESS-FM, KICK-FM, KMRT and KTCY, which form the Dallas Radio Group, in addition to the television station Channel 31.
Heftel set up Rodriguez-Heftel Texas broadcasting along with Marcos A. Rodriguez (owner of KESS and other Dallas area stations and son of Marcos Rodriguez, Sr.).