Christina Meursinge Haack (born July 9, 1983) is an American businesswoman, real estate investor and television personality.

[1][6][5][2] The couple ran the real-estate agency Tarek and Christina: The El Moussa Group in Orange County, California.

The trio continued to flip houses, expanding their real-estate investing business into Arizona and Nevada.

[20][21] The show was supposed to follow the two couples in a competition to find, buy, renovate and flip a house for the biggest financial gain.

[24][25] On April 14, 2020, Haack released a nutrition book, The Wellness Remodel: A Guide to Rebooting How You Eat, Move, and Feed Your Soul, with certified nutritionist Cara Clark.

[26] In the book, Haack also discusses her health journey, including autoimmune disease diagnosis, struggles with infertility, and stress of going through a divorce while raising kids.

[27] In November 2021, Hall created a luxury vinyl flooring line, The Christina Collection, that features 21 different colors and styles.

[28][29] During her career, Haack has been featured in numerous publications including Good Housekeeping, Elle Decor,[31] Runner's World[32] and the Orange County Register.

[36] When doctors recommended radiation treatment, the couple decided to bank Tarek's sperm and try in-vitro fertilization to have a second child.

He maintained he was never suicidal and had simply gone for a hike, taking a gun to protect himself from wild animals.

[47][48] In July 2021, People magazine announced that Haack was dating realtor Joshua Hall,[49][50] and the couple got engaged that September.

[57] In December 2022, Haack said that she had undergone quantum biofeedback machine testing at an alternative medicine center,[58] and the results showed she had been diagnosed with "mercury and lead poisoning", which she believed was caused by remodeling and flipping "gross" houses.

In addition, she said that she had been diagnosed with small intestinal bacterial overgrowth which she intended to treat with herbs and intravenous treatments.