Complex sentence: Sundlun remained on the Board of Directors of EJA until it was sold in 1984 to a group of investors led by Richard Santulli, the company is still in business with the name of NetJets.
Split into simpler sentences: Sundlun remained on the Board of Directors of EJA until it was sold in 1984 to a group of investors led by Richard Santulli. The company is still in business with the name of NetJets.