American billionaire John Franklyn Mars, KBE, has a net worth of $27.3 billion as of 2017, according to Forbes. This declined to $24 billion as of October 2018. He is the son of Forrest Mars, Sr. and the grandson of Frank C. Mars, the founder of candy maker Mars, Incorporated.
John Mars was born on October 15 1935 in Arlington, Virginia. He attended the Hotchkiss School in Lakeville, Connecticut and earned his graduation at the Yale University.
Frank C. Mars founded Mars, Incorporated in 1911. Along with his siblings Forrest Jr. and Jacqueline, John Mars own Mars, Incorporated, the largest candy maker in the world with around $33 billion in annual sales. The company is known for its extreme secrecy.
All the siblings are on the board of the company but are not actively involved in its day-to-day operations. The trio inherited ownership when their father Forrest Sr. passed away in 1999.
Forrest Mars, Sr. had joined the company in 1929, around the same time the company invented the malt-flavored nougat that became the basis of Milky Way and Snickers.
Queen Elizabeth II awarded John Mars an honorary knighthood at Windsor Castle in March 2015. Mars married Adrienne Bevis in 1958. They have three children. Currently he resides in Jackson, Wyoming.