John Franklyn Mars

John Franklyn Mars (born October 15, 1935) is an American businessman and heir. He is the chairman of Mars, Inc. As of May 2025, Bloomberg Billionaires Index estimated his net worth at US$44.6 billion, ranking him the 33rd-richest person in the world.

Early life and education John Franklyn Mars was born on October 15, 1935. He is the son of Audrey Ruth (Meyer) and Forrest Mars Sr., and grandson of Franklin Clarence Mars, founders of the American candy company Mars, Incorporated. Mars graduated from the Hotchkiss School in Lakeville, Connecticut, in 1953 and Yale University.

Career As a member of the Mars family, his share of the company and other assets were worth US$10 billion in September 2010,

According to the Hurun Global Rich List 2015, he was 28th richest person in the world with a net worth of US$26 billion. In 2016, his net worth went up to $29 billion, and he became then the 19th-richest person in the world.

In January 2017, he paid $7.7 billion for VCA, Inc, a pet care company.

Personal life He married Adrienne Bevis in June 1958. They have three children: Linda Anne Mars born , Frank Edward Mars born , and Michael John Mars born . but now resides in Jackson, Wyoming.