Mark Mastrov, a name synonymous with the fitness industry, kicked off his career in an unconventional way. Born and raised in California, Mastrov didn’t initially set out to become a fitness entrepreneur. He started as a personal trainer in the early 1980s, a time when the fitness boom was just beginning. With a passion for helping others and a knack for business, Mastrov saw an opportunity in the growing demand for fitness services.

Mark Mastrov’s Net Worth in 2025

As of 2025, Mark Mastrov’s net worth is estimated to be $1.5 billion, according to the latest available information.

Mark Mastrov’s Career

Mark Mastrov is a prominent American businessman, best known for founding 24 Hour Fitness, a global gym chain. He served as the company’s CEO and chairman from its inception in 1983 until his departure in 2005. Under his leadership, 24 Hour Fitness grew to become one of the largest and most successful fitness club chains in the world.

Other Ventures

After leaving 24 Hour Fitness, Mastrov went on to found other ventures, including a private equity firm called Sun Capital Partners. He also serves on several corporate boards and is involved in various philanthropic endeavors. Additionally, he has invested in and mentored numerous startups in the fitness and technology industries.

Assets

Mark Mastrov’s assets include a significant stake in 24 Hour Fitness, as well as investments in real estate and other businesses. He also owns a luxury home in California, valued at around $20 million. Mastrov is known for his love of cars and has a collection that includes high-end models like Ferraris and Porsches.

Annual Income

While Mark Mastrov’s annual income can vary depending on the performance of his investments and businesses, it’s estimated to be in the tens of millions of dollars. His primary sources of income include dividends from his stake in 24 Hour Fitness, earnings from Sun Capital Partners, and other investment activities.

Frequently Asked Questions about  Mark Mastrov

What is Mark Mastrov’s net worth?

Mark Mastrov’s net worth is estimated to be around $1 billion.

How did Mark Mastrov make his money?

Mark Mastrov made his fortune by founding 24 Hour Fitness, a popular chain of fitness centers. He started the company in 1983 and grew it to over 400 locations across the United States.

When was Mark Mastrov born?

Mark Mastrov was born on November 21, 1951.

Where did Mark Mastrov grow up?

Mark Mastrov grew up in San Jose, California.

Did Mark Mastrov play college football?

Yes, Mark Mastrov played college football at San Jose State University.

What is Mark Mastrov’s height?

Mark Mastrov is 6 feet 2 inches tall.

Is Mark Mastrov married?

Yes, Mark Mastrov is married. He has been married to his wife, Luan, since 1985.

Does Mark Mastrov have any children?

Yes, Mark and Luan Mastrov have two children together.

What is Mark Mastrov’s involvement with the Golden State Warriors?

Mark Mastrov was a minority owner of the Golden State Warriors NBA team from 2010 to 2019.

What is Mark Mastrov’s current occupation?

After selling 24 Hour Fitness in 2005, Mark Mastrov has been involved in various business ventures and philanthropic efforts. He is currently the founder and CEO of New Evolution Ventures (NeV).