Valerie Mars

Valerie Anne Mars (born 20 January 1959) is an American billionaire heiress and businesswoman. As of June 2021, Bloomberg Billionaires Index estimated her wealth to be $11.5 billion. She inherited about 8 percent stake of Mars Inc. in 2016, which made her a billionaire.

She earned a bachelor's degree from Yale University and an MBA from Columbia University.

She is a senior vice president and head of corporate development for Mars, Inc. Since 2014 she has served as a board member of Fiat Chrysler Automobiles. She serves also as a board member of Ahlstrom-Munksjö, a Finnish-Swedish stock company (paper industry). She is member of the advisory board of Rabobank North America. and the Open Space Institute (landscape protection, honorary trustee). In August 2025, she sued contractor Jim Bruss for $10 million, claiming she was scammed.