Complex sentence: If one were looking to quickly categorize KSYN's history, it would be broken into two parts: the William B. Neal era, which spans from 1960 to 1995; and the James L. Zimmer era, which began in 1998 and continues into the present.
Split into simpler sentences: If one were looking to quickly categorize KSYN's history, it would be broken into two parts. And the James L. Zimmer era, which began in 1998 and continues in the present.