John Mars

John Mars (#41)

Global Rank #41

Country Rank #23

Country United States

John Mars is listed among the world billionaires tracked by Iconic Billionaires.

$ 45 B
Candy, pet food
United States
M
90 Years

Snapshot

Quick Facts

Global Rank #41

Country Rank #23

Net Worth $45.2B

Previous Worth $45.2B

Worth Change +$0.0B

Country United States

Industry Candy, pet food

Age 90 Years

Gender M

Worth As Of May 3, 2026

Residence Jackson, Wyoming

Citizenship United States

World Billionaires List United States Billionaires Candy, pet food

Profile Data

Personal Stats

Age 90

Source Of Wealth Candy, pet food

Self Made Score 2

Residence Jackson, Wyoming

Citizenship United States

Marital Status Married

Children 3

Education Diploma, The Hotchkiss School; Bachelor of Arts/Science, Yale University

Net Worth Change +$0.0B +0.0% from previous worth

Previous Net Worth $45.2B

Current Net Worth $45.2B

Worth as of May 3, 2026

About Me

John Mars and his siblings Jacqueline and Forrest Jr. (d. 2016) inherited stakes in the candy firm Mars when their father died in 1999. He and Jacqueline each own an estimated one-third of the company. His late brother Forrest Jr.'s four daughters are believed to own the rest. The $65 billion (sales) business was founded by John's grandfather, Frank, in 1911. Mars acquired snack company Kellavova in December 2025 for $35.9 billion including debt.

Achievements

Forbes List Highlights

A snapshot of the list placements and rankings connected to John Mars.

#38

Billionaires (2026)

#22

Forbes 400 (2025)

Ranked

The Richest Person In Every State (2025)

Insights

Did You Know?

John Mars and his wife, Adrienne, are noted supporters of the Smithsonian Institution in Washington, D.C.

The company's first big hit was the Milky Way candy bar, introduced in 1923.

Wealth Growth

Net Worth Growth Over Time

Tracking John Mars's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth

Period Change Worth Movement

Current Net Worth: $45.2B (May 3, 2026)