Complex sentence: Started in 1972 by Jack Kramer, Donald Dell, and Cliff Drysdale, it was first managed by Jack Kramer, as Executive Director, and Cliff Drysdale, as President.
Split into simpler sentences: Started in 1972 by Jack Kramer, Donald Dell, and Cliff Drysdale. It was first managed by Jack Kramer, as Executive Director, and Cliff Drysdale, as President.