LeaderPortfolio
Mars
Jacqueline Mars
Rank #42
UNITED STATESFood & BeverageCandy, pet food

Jacqueline Mars

Net Worth
$44.786B
0% (24h)
Jacqueline Mars is an American heiress and investor, known for her significant stake in Mars, Incorporated, a global leader in the confectionery and pet food industries. Born in 1939, Mars is the granddaughter of Frank C. Mars, the founder of the company. She graduated from Bryn Mawr College with a degree in anthropology. Her career at Mars, Inc. spanned nearly two decades, where she held roles including Food Product Group President. As of 2024, her net worth is estimated at $49.1 billion, making her one of the wealthiest individuals globally. Beyond her business achievements, Mars is known for her philanthropy, particularly in the areas of equestrian sports, conservation, and the arts.

How to read Jacqueline Mars's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Jacqueline Mars, we anchor the narrative to Candy and Candy, pet food, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $44.786B alongside global rank #42, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life

Jacqueline Mars was born on October 10, 1939. She is the daughter of Forrest Mars Sr. and Audrey Ruth (Meyer) and granddaughter of Frank C. Mars, the founder of Mars, Incorporated. She graduated from Miss Hall's School in Massachusetts and earned a degree in anthropology from Bryn Mawr College in 1961.

Rise to Success

Jacqueline joined Mars, Incorporated in 1982, eventually becoming the Food Product Group President. She contributed significantly to the company's growth and direction. She retired from her daily responsibilities in 2001, but remained a co-owner and advisor.

Key Business Strategies

Her family's business strategy has focused on consistent product innovation, strategic acquisitions, and maintaining private ownership. The acquisition of Kellanova in December 2025 highlights the company's commitment to expanding its portfolio.

Philanthropy

Jacqueline Mars is actively involved in philanthropy and supports various causes aligned with her values, including conservation, cultural programs, and community support. She has served on the board of directors for the Washington National Opera and the National Sporting Library and Fine Arts Museum and contributes to charities such as the League of Conservation Voters. She has donated $10 million towards undergraduate scholarships at her alma mater, Bryn Mawr College.

Career Timeline

2016

Left the Board of Directors

Stepped down from the board of directors of Mars, Inc.

2001

Retired from Daily Responsibilities

Retired from her daily responsibilities at Mars, but remained a co-owner and advisor.

1982

Joined Mars, Inc.

Began her career at Mars, Incorporated, contributing to the growth and direction of its major brands.

Philanthropic Impact

Sports$N/A

U.S. Equestrian Team Foundation

Supports equestrian athletes and programs.

Education$10M

Bryn Mawr College Scholarship

Gifted $10 million towards undergraduate scholarships.

Culture$N/A

National Archives Foundation

Supports programs promoting American heritage.

Environment$N/A

League of Conservation Voters

Supports environmental causes.

Key Business Ventures & Holdings

CompanyStakeValue
Mars, Incorporated33.30%$16.3M

Net Worth History

In-Depth Analysis

Early Life

Jacqueline Mars was born on October 10, 1939. She is the daughter of Forrest Mars Sr. and Audrey Ruth (Meyer) and granddaughter of Frank C. Mars, the founder of Mars, Incorporated. She graduated from Miss Hall's School in Massachusetts and earned a degree in anthropology from Bryn Mawr College in 1961.

Rise to Success

Jacqueline joined Mars, Incorporated in 1982, eventually becoming the Food Product Group President. She contributed significantly to the company's growth and direction. She retired from her daily responsibilities in 2001, but remained a co-owner and advisor.

Key Business Strategies

Her family's business strategy has focused on consistent product innovation, strategic acquisitions, and maintaining private ownership. The acquisition of Kellanova in December 2025 highlights the company's commitment to expanding its portfolio.

Philanthropy

Jacqueline Mars is actively involved in philanthropy and supports various causes aligned with her values, including conservation, cultural programs, and community support. She has served on the board of directors for the Washington National Opera and the National Sporting Library and Fine Arts Museum and contributes to charities such as the League of Conservation Voters. She has donated $10 million towards undergraduate scholarships at her alma mater, Bryn Mawr College.

Data Sources & Methodology

Figures for Jacqueline Mars are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.