Who Is Christine Quinn's Estranged Husband? All About Christian Dumontet

Mar. 15, 2025

Photo: Amy Sussman/Getty

After an alleged domestic violence incident,Christine Quinnand tech entrepreneur Christian Dumontet are going their separate ways.

Dumontetfiled for divorceon April 5, 2024, after he wasarrested on a domestic violence chargeweeks prior. The alleged incident involved Quinn and the couple’s son,Christian Georges Dumontet, whom they welcomed in May 2021 after tying the knot in December 2019.

After departing fromSelling Sunsetafter season 5, Quinn launched her own real estate company with Dumontet.

So, who is Christine Quinn’s estranged husband? Keep reading for everything there is to know about Christian Dumontet.

He grew up on the East Coast

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Dumontet spent most of his life on the East Coast. He grew up in Middletown, New Jersey, and attended the College of New Jersey, as the couple’s publicist toldVanity Fairin 2020. He majored in computer science and graduated in 2000 with a “perfect GPA.”

He worked in techfor decades

Dumontet began his career as a software engineer at Cisco in Boston, according to hisLinkedIn profile. He started at the company in 2001 and stayed on for six years. In 2004, he co-founded an online food-ordering service called Foodler.

He doesn’t like being in the spotlight

Despite his tech background, Dumontet barely has a social media footprint. His Instagram account is private, and does not appear to be on Twitter or TikTok.

Quinn, on the other hand, has over 4 million followers onInstagramand is also active on TikTok and Twitter. She mainly posts about her work, travels and fashion, and Dumontet has rarely appeared on her accounts.

“He’s the opposite of me in every way, because I love to put myself out there. I love to be fabulous. He doesn’t care about dressing up or looking good. He doesn’t care about any of that stuff. He only cares about his work and traveling,” Quinn said of Dumontet in a 2020 interview withBustle.

He and Quinn met through a mutual friend

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“She said, ‘If it doesn’t work out, that’s fine — he’s looking for a home,’ soI could help him with real estateif he wanted,” Quinn told PEOPLE.

However, the two had an immediate connection. “I absolutely fell head over heels in love,” Dumontet said in a toast at the couple’s engagement party, which was featured onSelling Sunsetseason 2. “We hit it off in the car. We were literally in the car and we had an instant banter, which is really special. You don’t get that too often.”

He and Quinn got married in 2019

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The couple got engaged on Valentine’s Day in 2019 and married that same year in a secret ceremony on Dec. 15, 2019. They did not share the news of their nuptials until several months later.

“We wanted to get married in December to start off the New Year [as husband and wife],” Quinn later told PEOPLE.

“She’s amazing; she complements me perfectly,” Dumontet said of his wife during a toast at the reception. “We’re building an amazing life together.”

He and Quinn lived in Crystal Hefner’s former mansion

“This was one of my first listings, and I would envision living in this house, my husband bringing me coffee,” Quinn told PEOPLE in 2021 of the five-bedroom, seven-bath property.

That dream would eventually come true when she sold the property to Dumontet and moved in with him in 2019.

“I got to live in the house I always wanted,andI got the man of my dreams,” she added. “I’m like Snow White — this is my castle!”

He and Quinn owned a tiger

“We were warned that a lot of weird things were happening in the area and I joked, ‘If guns and dogs don’t scare people, we need a tiger,’ " Quinn said.“Then I decided it would be really fun to do that. So we found this guy who trains tigers as pets and got one.”

Owning a tiger may seem extreme, but a frighteningattempted home invasionin March 2022 made Quinn and Dumontet thankful for their extra security measures.

He and Quinnwelcomed a son in May 2021

Christine Quinn Instagram

“He was very calm throughout the whole process,” she said of her husband.

He and Quinn launched a business together

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Quinn and Dumontet launchedRealOpenin April 2022, a real estate company that allows individuals to purchase or sell a home with cryptocurrency.

Dumontet holds the title of CEO, while Quinn serves as the company’s chief marketing officer. She also revealed that their new endeavor was a major factor in herleaving the Oppenheim Group.

“A lot of brokerages are very wary about accepting crypto because they don’t understand the inner workings of it, so that’s why it’s very difficult for agents to do these transactions,” she toldForbes. “The process that RealOpen uses is absolutely reliable and foolproof.”

Quinn had hinted about leaving the Oppenheim Group for new ventures in the past. “It would be great to …do my own thingbecause I feel like I have a lot to share with the world outside of real estate and fighting with b——,” she toldWSJ. Magazinein October 2020.

He was arrested for domestic violence

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On March 19, 2024, Dumontet wasarrestedin connection with an alleged domestic violence incident. According to the Los Angeles Police Department, the “suspect threw a bag containing a glass bottle at the victim, missed the victim, but the object hit the victim’s child, causing injury.”

On March 20, Dumontet wasarrested againafter he allegedly violated an emergency protective order.

He filed for divorce from Quinn in April 2024

Dumontetfiled divorce paperson April 5, 2024. He requested legal custody of their child and asked that a judge terminate the court’s ability to award spousal support to Quinn.

Though their divorce is still ongoing, Quinn relocated to her home state of Texas with her son to be closer to family. In January 2025, Quinn told PEOPLE she’s “really, really grateful” she was able to move.

“I have a sister who lives really close to me, and my son has a cousin. So it’s really something that I needed as opposed to the chaos when I was in Los Angeles,” she said.

In reference to her divorce proceedings, Quinn also said she’s “very optimistic that it will be finished soon.”

Lynsey Eidell

source: people.com