Complex sentence: Behind Winfrey, the station's most notable anchor is Greek-American Chris Clark (real name Christopher Botsaris), who served as the station's main anchor for 41 years from 1966 to 2007, longer than anyone in Nashville television history.
Split into simpler sentences: Behind Winfrey, the station's most notable anchor is Chris Clark. He served as the station's main anchor from 1966 to 2007, longer than anyone in Nashville television history.