Who is John Mara? 5 things to know about the owner of New York Giants

A few families in American sports who have a close connection as one team as the maras with the New York giants.

Have Mara’s teamHaving established the team in 1925, ownership has gone through three generations, with John Mara Assuming the titles of President, CEO and joint owner in 2005.

With his two fathers, Wellington maraAnd a grandfather embedded in Pro Football’s immortal gallery, John has had a lot to live. During his time the giants have won a pair of Super Bowls And, along with the ownership of New York Jets, he brought the Super Bowl into the New York area in 2014 for the first time ever.

The giants have had a more pump way ever since, just enjoying one winning season since 2017. But with a rich history and a loyal fanbase, there is always hope at East Rutherford, New Jersey.

Keep scrolling for more about the co-owner of the giants John Mara:

The giants have been in the family of John Mara all his life

John has been involved in the front office of the Giants since 1991 when he joined as Counsel General. He ascended to President and CEO in 2005 when his father, Wellington Mara died.

Wellington became the owner of a team in 1959, inheriting him from his father, Tim Mara. Tim was the owner of the giants, helping to start the team in 1925.

The giants have won 2 Super Bowl under his leadership

The Giants captured a 17 -year Super Bowl title drought in 2007 when they beat the New England Patriots, which are not affected at the time, in Super Bowl Xlii. Four years later, they beat the Patriots again at Super Bowl Xlvi.

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Mara’s family is worth an estimated $ 3 billion

The Mara family sold a 10 percent stake in the giants to the Koch family in September 2025 at a $ 10 billion valuation. However, the Maras do not own the team altogether, as businessman Steve Tisch is also a co -owner.

John’s net value is estimated at about $ 500 million, but his family has a $ 3 billion fortune, mainly due to their ownership with the giants Basically sports.

While that makes the family just the 24th current NFL ownership group out of 32 teams, the profits are still impressive: Tim set up the Giants with a $ 500 investment.

John Mara is the uncle of the actresses Rooney and Kate Mara

John’s brother Crisis married to Kathleen RooneyDescendant of the founder of Pittsburgh Steelers Art Rooney. They both share four children, the son of Daniel and Conor, and a women Rooney and Kate. The last two are both award-winning actresses-with an interest in both parents’ football teams.

“I was brought up in New York and spent almost every Sunday at Giant Stadium, so my love for the team runs deeply,” Kate told the New York Post In 2016. “I love the Steelers but at the end of the day, if they play the giants, I bleed blue.”

Or, as she joked in appearance in 2014 on Jimmy Kimmel alive!“If I’m mad at my mum, I’m rooting for the giants, and if I’m pissed to my dad, I’m rooting for the Steelers.”

John Mara and his wife Denise share 5 children

Josh and his wife, TensionMarried in 1980 and sharing the son of John Jr., as well as the daughters Lauren, Courtney, Christine, and Erin. They also have 14 grandchildren.