Complex sentence: He also established the Coconut Grove Arts Festival and in addition, in 1967 he built, opened and ran the first theatre in Ft. Lauderdale; the Parker Playhouse for 23 years.
Split into simpler sentences: He also established the Coconut Grove Arts Festival. In 1967 he built, opened and ran the Parker Playhouse, Ft. Lauderdale's first theater, for 23 years.