Madison Keys was introduced to the sport by her parents, Rick and Christine. Both her parents are attorneys. Her favorite tennis player is Roger Federer and her favorite singer is Taylor Swift.

Keys has ranked consistently in the top 25 of the WTA rankings. Her strong serve and powerful groundstrokes help her dominate her opponents. She is part of the next generation of Americans expected to take over USA tennis when Venus and Serena Williams retire. She has represented the USA in Fed Cup and in the Olympics.

Madison Keys’ Sponsors

Nike

Keys signed a deal with Nike when she was 14.  She wears Nike clothes and shoes on and off the court. In 2019, Nike featured an inspirational campaign with Keys, in which she says, “I never feel like I have to be stuck in any sort of lines.”

Wilson

Keys has a racquet sponsorship contract with Wilson.  She uses the Wilson Ultra V3 racquet with Wilson natural gut strings.  Keys helped Wilson launch the Ultra line of racquets in 2017.

Evian

In 2017, Keys signed a multi-year deal to join the Evian water family.  Fellow WTA player Maria Sharapova has been an Evian partner for almost a decade.

Acuvue

ACUVUE , the maker of contact lenses has partnered with Madison Keys in 2018. ACUVUE is a subsidiary of Johnson & Johnson. 

At age 17, Keys realized that she needed vision correction and was fitted with contact lenses.  As part of the See It Through the campaign,  Keys spreads the word about the importance of setting goals and following through.

Volvo

Keys became an ambassador for Volvo USA in 2021. Volvo is originally a Swedish company but is now owned by Chinese company Geely Holding Group.

Kindness Wins

Keys is an ambassador for Kindness Wins, a nonprofit that encourages kindness in all walks of life. 

Sloane Stephens was introduced to the sport by her mother, Sybil Smith at the age of 9. She won her first grand slam at the US Open in 2017.  With a big smile and powerful game, Stephens is sought after by companies looking for the next big US women’s tennis player.

Her sponsors are Free People Movement, Head, Mercedes-Benz, Colgate, doTerra International, and Universal Thread. She has earned over $20 million in her career.

Free People Movement

In 2023, Stephens switched to Free People Movement clothing after being dropped by Nike. Sloane Stephens signed with Nike after winning the US Open in 2017.  Previously, she had a long-standing partnership with Under Armor.

HEAD

Stephens has been using Head racquets for a long time.  Her current equipment of choice is the HEAD Radical Graphene racquet.

Mercedes-Benz

Sloane Stephens has been a global ambassador for Mercedes-Benz since 2018. The German luxury car maker also sponsors Roger Federer. As part of the sponsorship, Stephens received Mercedes-Benz GLE 63 S Coupe.  Mercedes Benz is the official vehicle sponsor of the U.S. Open.

Colgate

Stephens, known for her big smile, has a deal with Colgate. Colgate also supports the Sloane Stephens Foundation by offering educational programs to build healthy dental habits among children.

Milk Processor Education Program (MilkPEP)

MilkPEP partnered with Stephens for the Built With Chocolate Milk campaign. The campaign is designed to educate athletes and exercisers about the recovery benefits of low-fat chocolate milk.

doTerra International

Stephens is a Performance Advocate for doTerra International,  a multi-level marketing company based in Pleasant Grove, Utah that sells essential oils and other related products

Universal Thread (Target)

Stephens endorses Target’s Universal Thread brand, an exclusive women’s lifestyle denim brand. She promotes the line  via her social media channels as part of the Target Social Media Influencer Campaign

Sloane Stephens Foundation

The Sloane Stephens Foundation, founded in 2013 by Stephens and her family is dedicated to inspiring a love of physical fitness in children who often lack structured physical education in school.

The Colgate Bright Smiles, Bright Futures® educational program has partnered with The Sloane Stephens Foundation to instill healthy habits among America’s children  through a new initiative called “Serving Up Smiles.”

At select Foundation “play days,” children practice tennis basics on a professional court with Stephens.  the Colgate Bright Smiles, Bright Futures® mobile dental van will be on-site to provide free oral care screenings for children ages three to 12, along with games and educational activities for all ages.