Complex sentence: Paskowitz and his family now run a set of surfing clinics and founded in 1972 the oldest surfing camp in the United States which is now directed primarily by Dorian's son Israel "Izzy" Paskowitz.
Split into simpler sentences: Paskowitz and his family now run a set of surfing clinics. In 1972 they founded what is now the oldest surfing camp in the United States; today it is directed primarily by Dorian's son Israel "Izzy" Paskowitz.