Complex sentence: He is a member of the Black Belt Hall of Fame and the World Karate Hall of Fame, was the first black man to instruct the Secret Service and the FBI, and was the first martial artist invited to demonstrate his skills before the United Nations.
Split into simpler sentences: He is a member of the Black Belt Hall of Fame and the World Karate Hall of Fame. He was the first black man to instruct the Secret Service and the FBI, and was the first martial artist invited to demonstrate his skills before the United Nations.