Complex sentence: Her mother Jeanette D'Souza was formerly a managing director of the Pharma Multinational corporation (MNC), who left her job in 2004 to help Genelia with her career.
Split into simpler sentences: Her mother Jeanette D'Souza was a managing director of the Pharma Multinational corporation. She left her job in 2004 to help Genelia with her career.