Jacqueline Mars (born October 10, 1939) is an American heiress, investor and philanthropist. She is the daughter of Forrest Mars, Sr., and granddaughter of Frank C. Mars, founders of the American candy company Mars, Incorporated. In 2014, Forbes described Mars as the 20th richest American.According to Hurun Global Rich List 2015 she is 28th richest person in the world with a net worth of US$ 26 billion.