What is John Mars Net Worth?

John Mars Net Worth is US$ 42 Billion as of January 2023.

Net WorthUS$ 42 Billion
Born:October 15, 1935 (87 Years)
Birth NameJohn Franklyn Mars
Height6′ 0″
Country of OriginArlington, Virginia, The U.S.
Source of WealthAmerican businessman
Marital StatusMarried
SpousesAdrienne Bevis (m. 1958)
ChildrenMichael John Mars (Son), Frank Edward Mars (Son), Linda Anne Mars (Daughter)
Famous ForHeir to Mars Fortune


John Mars net worth is estimated to be approx US$ 42 Billion as of 2023.

John Franklyn Mars is the Chairman of Mars, Inc., the largest private company in the United States. A descendant of founder Frank Mars, he is widely recognized for his commitment to building a diverse and successful global business. John currently sits on the boards of numerous organizations, including State Street Corporation, Dassault Systems SE/ADR, and The National Gallery of Art. He has also served as a member of The Business Council and holds a B.A. from Harvard University in Economics.

In addition to being Chairman at Mars, Inc., John serves as co-president of InterAmerican Foods Corporation and chairman of Symbioscience Corporation (formerly known as Wrigley Science Institute). Under his leadership, Mars, Inc., has created innovative products such as M&M’s®, Snickers®, Twix®, Uncle Ben’s® Rice, and Pedigree® dog food. John also oversees a massive philanthropic effort through the John Franklyn Mars Foundation that supports education initiatives worldwide, including projects promoting gender equity in economic development and climate change prevention. John was listed among Fast Company’s ‘Most Innovative People 2016’ for his entrepreneurial spirit and global impact through responsible management practices.

Early Life

John Franklyn Mars was born in Tacoma, Washington, on October 15, 1935. The third of four children born to Forrest and Ethel Mars, John grew up in a working-class household in Portland, Oregon. Earning money by selling newspapers and working as a janitor at his high school cafeteria, Mars earned enough to buy a Honda motorbike and attend the University of Washington School of Pharmacy. Upon graduating from pharmacy school with honors, he married his wife, Audrey, in 1960.

Afterward, Mars worked as an insurance salesman while studying law at night school and later worked as an attorney for the Allstate Insurance Company. He left Allstate in 1964 to join his father’s cattle business, which he soon transformed into one of the most successful candy companies in the world today: Mars Incorporated. Under John’s careful guidance and innovative business practices, the company took off with products like the famous M&M’s chocolates and Snickers bar. In subsequent years under John’s leadership, they would become one of the largest food companies, with annual revenues topping many billions of dollars each year.


John Franklyn Mars was a successful business magnate and philanthropist in the United States. Mars started his career working with his father, Frank, and uncle Theodore in 1924, handling the family’s candy-making business. Over time, he helped to expand the company’s production capabilities, adding more products and building new factories. He was instrumental in helping the company soar to new heights of success as it became one of the largest confectionary companies in the world.

Beyond growing the original family business, Mars has overseen or owned several other companies, such as American Home Products (regaining much of his position after they spun off many of their divisions) and Ethel M Chocolate Factory. In addition to managing those businesses, he also established a venture capital firm called Marsovo & Co., which invested in several technology firms during its lifetime.

Mars was known for his altruism; he donated generously to dozens of charitable causes across various countries and founded an organization known as the John Franklyn Mars Foundation. They worked tirelessly to provide healthcare and other assistance to multiple needy people throughout Latin America. Throughout his life and work, Mars became one of the most respected businessmen globally – admired for his great success while staying true to core values such as kindness and empathy.

John Mars Net Worth Growth

John Mars net worth was US$ 17 Billion in 2013, which increased to US$ 42 Billion in 2023.

Net Worth in 2023US$ 42 Billion
Net Worth in 2022US$ 31.7 Billion
Net Worth in 2021US$ 31.3 Billion
Net Worth in 2020US$ 24.7 Billion
Net Worth in 2019US$ 23.9 Billion
Net Worth in 2018US$ 23.6 Billion
Net Worth in 2017US$ 27 Billion
Net Worth in 2016US$ 23.4 Billion
Net Worth in 2015US$ 26.6 Billion
Net Worth in 2014US$ 20 Billion
Net Worth in 2013US$ 17 Billion


Here are some of the best highlights of John Mars’s career:

  • Mars, Incorporated was ranked as the 6th largest privately held company in the U.S.
  • The Mars family was among 18 billionaire families who lobbied Congress to eliminate the estate tax.
  • Leading the construction of Mars Wrigley Confectionery U.S.’s state-of-the-art Innovation Center in 2013.
  • It was outpacing competitors with new product launches, such as M&M’s Dark Chocolate Peanut, in 2017.
  • He is listed in Time magazine’s “100 Most Influential People” for his contribution to business innovation and sustainability efforts throughout his career in 2020.

Key Facts

  • His grandfather founded Mars Inc, and his father created the Milky Way chocolate bar
  • His first job was trying to start a pet food company in Australia
  • He has donated money to Reclaim America PAC, the leadership committee of Republican Senator Marco Rubio
  • Credited with pushing Mars Inc to adopt automation, which has allowed the company to expand its manufacturing capability
  • He owns one-third of Mars Inc, which is where his $33.8 billion wealth comes from
  • He is very secretive about his private life and resides in Jackson, Wyoming
  • Received an honorary knighthood from Queen Elizabeth II in 2015

Key Life Lesson from John Mars

Now we have an overview of John Mars’s net worth, work done, biography, and early life. Let’s glance at some of his lessons.

Talk Less, Listen More.

Because of your position, people will pay more attention to what they say. Leaders must listen to others, even those who disagree with them. Give credit to others and show that you are listening.

Don’t Step In With Solutions Too Quickly.

If you continue to do the same thing you know and stop allowing others to try, no one learns anything. They might find a better or different way. If not, mistakes can be valuable.

Frequently Asked Questions

What is the Salary of John Franklyn Mars?

John Franklyn Mars earns an estimated salary of $3.5 Billion per Year.

How old is John Mars?

John Mars was born on October 15, 1935, and is currently 87 years old.

Does John Mars own all of Mars Inc?

No. John Mars owns one-third of Mars Inc, founded by his grandfather in 1911. The rest of the company is owned by his sister Jacqueline and the daughters of his late brother Forrest Jr.


John Franklyn Mars is an American businessman who has successfully built one of the biggest branded companies in the United States. He is the current chairman and CEO of Mars Incorporated, a privately-held corporation best known for its confectionery products such as M&M’s and Snickers.

Today John Franklyn Mars is among America’s wealthiest individuals owing much of his success to his entrepreneurial spirit, savvy business acumen, and unwavering commitment to family values at all levels of operation within his venerable company.

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