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United States Haley Kalil seamlessly blends a background in medical biology and psychology with a career as a model and prominent social media influencer, offering brands a unique voice that bridges scientific intellect with broad audience appeal.
Haley Kalil has partnered with KFC as part of her roster of brand collaborations.
Haley Kalil has engaged in brand partnerships with Google.
Haley Kalil has collaborated with CeraVe, among other brands, showcasing her diverse appeal for partnerships.
Ipsy is listed as one of Haley Kalil's brand partners.
Haley Kalil has partnered with Long Drink.
Maybelline is one of the brands Haley Kalil has partnered with.
Haley Kalil has worked with brands such as Hugo Boss.
Haley Kalil has a history of working with the NFL.
Haley Kalil has partnered with L'Oreal.
Haley Kalil entered a partnership with Dr. BRANDT Skincare to launch a limited-edition kit, targeting individuals needing sleep support.
Haley Kalil, born Haley O’Brien on August 6, 1992, in Excelsior, Minnesota, has built a diverse career encompassing pageantry, modeling, and digital content creation. She pursued a robust academic path, graduating summa cum laude from St. Cloud State University with a Bachelor of Science in medical biology and psychology, alongside a minor in chemistry. This academic foundation, completed before her rise in public life, provided her with a unique perspective that she later integrated into her professional endeavors. Her early career saw her in the competitive world of beauty pageants, where she was crowned Miss Minnesota Teen USA 2010 and subsequently Miss Minnesota USA 2014, participating in national competitions including Miss Teen USA 2010 and placing in the top twenty at Miss USA 2014.
Her transition into modeling gained significant momentum with her involvement in the Sports Illustrated Swim Search in 2017. Kalil progressed through various stages of the competition, ultimately being selected as one of two winners. This achievement led to her official appearance as a rookie model in the 2019 Sports Illustrated Swimsuit Issue, followed by inclusions in the 2020 and 2021 editions. In 2018, she signed with Wilhelmina Models New York, though she later departed from agency representation in 2023, citing negative experiences. Concurrently with her modeling, Kalil rapidly expanded her presence as a social media influencer under the username “haleyybaylee.”
As a digital creator, Kalil has cultivated a significant online following, exceeding 15 million followers on TikTok and gaining substantial traction across other platforms. Her content, often characterized by its relatable humor, has resonated with an international audience. Her influence has been recognized through various accolades, including being named to the inaugural TIME100 Creators list in July 2025 and being listed on Forbes Top 50 Creators in 2023. She has also been nominated for a Streamy award, underscoring her impact in the digital sphere. Kalil continues to leverage her platform to advocate for authenticity and women’s empowerment, demonstrating a multifaceted career trajectory from science and pageantry to high-profile modeling and digital entrepreneurship.
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