Billionaire Profile
Marijke Mars
Global Rank
#237

Image: Anefo | CC0 | via Wikimedia Commons

Marijke Mars

CEO, Candy
UNITED STATES
Real-Time Net Worth
$12.292B
Estimated based on Candy stock value as of March 6, 2026
0% (24h)
Age
61
Source
Candy, pet food
Industry
Food & Beverage
Citizenship
UNITED STATES

Biography

Marijke Mars is an American billionaire heiress and businesswoman, a fourth-generation member of the Mars family. She inherited an estimated 8% stake in Mars, Incorporated, following her father Forrest Mars Jr.'s passing in 2016, solidifying her place among the world's wealthiest individuals. Her career includes roles within Kal Kan Foods and Mars Food, contributing to the family's global confectionery and pet food empire. With a net worth estimated at $11 billion, Marijke Mars continues to be a prominent figure in the business world.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life and Inheritance

Marijke Elizabeth Mars was born in 1965. She is a fourth-generation member of the Mars family, which is renowned for its global confectionery and pet food conglomerate, Mars, Incorporated. Her father, Forrest Mars Jr., played a key role in the expansion of the family business. In 2016, following her father's death, Marijke inherited an estimated 8% stake in Mars, Incorporated. This inheritance significantly increased her net worth, making her one of the wealthiest individuals globally.

Career

After graduating from Duke University with a Bachelor of Science degree, Marijke began her career at Kal Kan Foods, a pet food company under the Mars umbrella. She served as a regional manager, gaining valuable industry experience. Later, she transitioned to Mars Food, broadening her expertise within the company's diverse product lines.

Key Business Strategies

Marijke Mars is actively involved in Mars, Incorporated, and serves on the company's board of directors, contributing to strategic decisions that guide the privately held company's operations. The company's ability to think in generations, rather than just business quarters, is a key aspect of its strategy. Mars, Inc. is a family-owned business, which allows it to implement long-term strategies without external investor influence, allowing for a greater focus on quality and innovation.

Philanthropy

Details of Marijke Mars's specific philanthropic endeavors are not widely publicized, but she upholds the company's core values of quality, responsibility, and sustainability. Mars, Incorporated, has a strong emphasis on sustainability and is committed to improving the lives of people in the communities where it sources materials.

Career Milestones

1991

Married Stephen J. Doyle

Marijke married Stephen J. Doyle, later divorcing in 2000.

2000

Divorced Stephen J. Doyle

Marijke Mars divorced her husband, Stephen J. Doyle.

2016

Inherited Stake in Mars, Incorporated

Following her father's death, Marijke inherited an estimated 8% stake in Mars, Incorporated.