Complex sentence: He stole funds from the New York Stock Exchange Gratuity Fund, the New York Yacht Club (where he served as the Treasurer), and $800,000 worth of bonds from his father-in-law's estate.
Split into simpler sentences: He stole funds from the New York Stock Exchange Gratuity Fund as well as from the New York Yacht Club where he served as the Treasurer. In addition, he stole $800,000 worth of bonds from his father-in-law's estate.