Complex sentence: Ms. Griffith had worked at WGOG years before as Traffic Manager and Receptionist, and under the Direction of Ms. Griffith, WGOG moved to the FM dial in 1991.
Split into simpler sentences: Ms. Griffith had worked at WGOG years before as Traffic Manager and Receptionist. Under the Direction of Ms. Griffith, WGOG moved to the FM dial in 1991.