Billionaire Profile
Marijke Mars
Global Rank
#287

Image: Public domain | via Wikimedia Commons

Marijke Mars

CEO, Mars, Incorporated
US
Real-Time Net Worth
$10.4B
As of December 2025
Age
61
Source
Candy, pet food
Industry
food-beverage
Citizenship
US

Biography

Marijke Mars, born in 1965, is an American billionaire heiress and businesswoman, a fourth-generation member of the Mars family. Her wealth stems primarily from her stake in Mars, Incorporated, a global leader in confectionery, pet food, and food products. Her career includes experience as a regional manager at Kal Kan Foods, a Mars pet food subsidiary, and she currently works at Mars Food. In 2016, she inherited approximately 8% of the company, significantly increasing her net worth. She is known for her contributions to Mars, Incorporated's sustained success and serves on the company's board of directors, contributing to strategic decisions. She maintains a low public profile, upholding the family's values of quality, responsibility, and ethical business practices. Marijke Mars is a key figure in the family's legacy of leadership.

Wealth Over Time

In-Depth Profile

Early Life

Marijke Elizabeth Mars was born in 1965 in Veghel, Netherlands. She is the daughter of Forrest Mars Jr. and Virginia Cretella. The Mars family is known for their confectionery and pet food businesses. Marijke has three sisters: Pamela Mars-Wright, Valerie Mars, and Victoria B. Mars. The family moved to the Netherlands in 1962 and later to France in 1966 before returning to the United States in 1970.

Rise to Success

Marijke Mars is a fourth-generation member of the Mars family and inherited an estimated 8% stake in Mars, Incorporated after her father, Forrest Mars Jr., passed away in 2016. She graduated from Duke University with a Bachelor of Arts/Science degree in 1987. Her career began at Mars, Incorporated, where she served as a regional manager for Kal Kan Foods, a pet food division. She is currently associated with Mars Food.

Key Business Strategies

Marijke Mars has been involved in sustaining the legacy of Mars, Incorporated, contributing to its status as a leading global confectionery and pet care company. She emphasizes the importance of maintaining family ownership and stewardship, ensuring the company upholds its values of quality, responsibility, and mutuality across its global operations. Her leadership prioritizes employee well-being and corporate culture. She emphasizes maintaining the company’s family-owned legacy while integrating modern business strategies.

Philanthropy

The Mars family has a long history of charitable work, particularly in environmental sustainability, education, and global health. Marijke supports initiatives reflecting her commitment to improving lives and supporting communities through private foundations or family trusts. Specific philanthropic endeavors are not widely publicized, but the family has historically engaged in various charitable activities.

Career Milestones

1987

Graduated from Duke University

Obtained a Bachelor of Arts/Science degree.

1991

Married Stephen J. Doyle

Married Stephen J. Doyle, later divorced in 2000.

2000

Divorced Stephen J. Doyle

Divorced her husband, Stephen J. Doyle.

2016

Inherited Stake in Mars Inc.

Inherited an estimated 8% stake in Mars, Inc., following the death of her father, Forrest Mars Jr.

Philanthropy & Social Impact

Environmental

Environmental Sustainability

$UNKNOWN

Supports initiatives related to environmental sustainability through family foundations.

Education

Education

$UNKNOWN

Supports educational initiatives through family trusts.

Health

Global Health

$UNKNOWN

Supports global health initiatives through family trusts.

Business Philosophy & Leadership

Notable Quotes

"Marijke Mars emphasizes the importance of maintaining family ownership and stewardship in business, ensuring that Mars, Incorporated upholds its values of quality, responsibility, and mutuality across its global operations."

Leadership Principles

Quality

Commitment to delivering the highest standards in products and services.

Responsibility

Emphasizes individual and corporate accountability.

Mutuality

Fostering relationships that benefit all stakeholders.

Efficiency

Optimal use of resources to achieve the best possible outcomes.

Freedom

Allows the company to operate independently, fostering innovation and long-term strategic growth.