Sloane Stephens: Coach, Age, Mom, Parents and Marriage

Sloane Stephens is one of the most recognizable American tennis players of her generation. The 2017 US Open champion has enjoyed a career that includes a Grand Slam title, a career-high No. 3 ranking and several WTA singles titles. In 2026, searches about Stephens are also focusing on her current coach, age, mother, parents and relationship status.

Stephens was born on March 20, 1993, in Plantation, Florida. She began playing tennis at age nine after being introduced to the sport by her mother, Sybil Smith. She eventually turned professional in 2009 and became one of the leading American players on the WTA Tour.

Sloane Stephens coach

According to the WTA’s current player profile, Sloane Stephens is coached by Chris Tontz and Kamau Murray. The WTA also lists Francisco Roig, Paul Annacone and Nick Saviano among coaches she has previously worked with.

Kamau Murray has been an important figure in Stephens’ professional career. Their coaching relationship has included one of the biggest achievements of Stephens’ career: her run to the 2017 US Open championship.

Stephens has also experienced several coaching changes during her career. In a 2019 US Open interview, she discussed the process of finding a coach and explained that she wanted someone with whom she could make a serious long-term commitment.

Her current WTA profile lists both Chris Tontz and Kamau Murray, reflecting the coaching setup reported by the tour.

How old is Sloane Stephens?

Sloane Stephens was born March 20, 1993.

That makes her 33 years old in September 2026. The WTA and Team USA both list her birth date as March 20, 1993.

Stephens turned professional in 2009. She was only 18 when she became the youngest player in the world’s Top 100 at the time, according to her official biography.

Her career reached a major milestone in 2017 when she won the US Open. She defeated Madison Keys in the final to claim her first Grand Slam singles championship.

Stephens later reached another Grand Slam final at the 2018 French Open, demonstrating that her US Open success was part of a broader period of high-level performance.

Who is Sloane Stephens’ mom?

Sloane Stephens’ mother is Sybil Smith, a former collegiate swimmer.

Smith competed at Boston University and was an All-American swimmer. Team USA also notes that she qualified for the U.S. Olympic Team Trials in three events.

Stephens has frequently credited her mother with introducing her to tennis. According to Stephens’ official biography, she first picked up the sport at nine years old while her mother was playing tennis with friends.

That early introduction eventually developed into a professional tennis career.

Smith has remained involved in her daughter’s life beyond tennis. In 2026, the WTA reported that Smith serves as the executive director of the Sloane Stephens Foundation. The foundation works with young people from underserved communities through programs involving tennis, education, mindfulness, soccer, swimming and community initiatives.

Therefore, Stephens’ mom has played an important role both in her early development as a tennis player and in her work away from professional competition.

Who are Sloane Stephens’ parents?

Sloane Stephens’ parents are John Stephens and Sybil Smith.

Her father, John Stephens, was a professional American football player. Team USA states that he played for the New England Patriots, Green Bay Packers and Kansas City Chiefs. He died in a car accident on September 1, 2009.

Her mother, Sybil Smith, was a highly accomplished swimmer at Boston University and later became an important influence in Stephens’ tennis journey.

Stephens also has a family connection through her stepfather, Sheldon Farrell. Team USA lists Shawn Farrell as her stepbrother.

Her parents’ sporting backgrounds helped give Stephens a strong athletic environment while she was growing up. Her father competed professionally in football, while her mother competed at a high level in swimming.

Sloane Stephens’ tennis career

Stephens became a professional tennis player in 2009 after developing through the junior ranks.

Her breakthrough on the biggest stage came at the 2013 Australian Open, where she reached the semifinals. She subsequently established herself as a regular contender at major tournaments.

The biggest achievement of her career arrived at the 2017 US Open.

Stephens entered that tournament after returning from an extended absence caused by a foot injury. She produced a remarkable run and defeated Madison Keys in the final to win her first Grand Slam singles title.

Her official biography describes how dramatically her ranking changed during that period. She went from No. 957 entering Wimbledon to No. 12 in the world after winning the US Open.

Stephens eventually reached a career-high ranking of No. 3 in the world. The WTA lists No. 3 as her career high.

She has also won WTA singles titles at events including Miami, Acapulco, Charleston, Auckland and the 2024 Open de Rouen, according to her official biography.

Is Sloane Stephens still married?

No. Sloane Stephens and Jozy Altidore announced in February 2026 that they were ending their marriage.

Stephens and Altidore had known each other since childhood and later reconnected as adults. They became engaged in 2019 and married on January 1, 2022, in Miami, Florida.

On February 21, 2026, Stephens announced that she and Altidore had decided to end their marriage. The couple requested privacy while navigating the transition.

As a result, older articles describing Stephens as Jozy Altidore’s wife are now outdated. Their marriage lasted approximately four years before the separation announcement in 2026.

Who was Sloane Stephens’ husband?

Sloane Stephens’ husband was Jozy Altidore, a former professional soccer player and longtime member of the United States men’s national team.

The pair had a connection dating back to their school years. They later reconnected in 2016 and eventually became engaged in 2019. Their wedding took place on New Year’s Day in 2022 at the St. Regis Bal Harbour in Miami Beach.

Altidore also has a son from a previous relationship. Stephens previously spoke positively about Altidore’s role as a father when discussing their relationship and wedding.

Their relationship received attention because both Stephens and Altidore had established careers in major professional sports.

However, in February 2026, Stephens publicly confirmed that their marriage was ending.

Sloane Stephens family

Family remains an important part of Stephens’ life away from the tennis court.

Her mother, Sybil Smith, is involved with the Sloane Stephens Foundation. The organization was founded in 2013 and focuses on expanding opportunities for young people through education, fitness and sports.

Stephens has also spoken about the influence of her grandparents. Her beauty and wellness company, Doc & Glo, was named in connection with her grandparents, reflecting the importance of family in her personal story.

In addition to tennis, Stephens has developed interests in broadcasting, business, philanthropy and wellness.

The WTA reported in 2026 that her philanthropic work earned her a place on TIME’s 100 Philanthropy list.

Sloane Stephens after tennis

Although tennis remains a major part of Stephens’ identity, her career has expanded beyond competition.

She founded the Sloane Stephens Foundation in 2013. The organization has grown to support children and young people in underserved communities through sports and education programs.

Stephens has also worked in broadcasting and launched her own wellness and body-care brand, Doc & Glo. In a 2026 interview with ELLE, she discussed her interests outside tennis and her approach to defining success through smaller goals and continued personal development.

Her official profile also lists her as an investor and advisor in consumer, wellness and technology businesses.

Sloane Stephens quick facts

The biographical details above are supported by Stephens’ official website, the WTA and Team USA.

Conclusion

Sloane Stephens has built a career that extends well beyond her 2017 US Open championship. She remains a notable figure in American tennis while also working in philanthropy, business and broadcasting.

Stephens’ tennis development began with her mother, Sybil Smith, who introduced her to the sport when she was nine. Her father, John Stephens, was a professional football player. Those athletic family connections helped shape Stephens’ early sporting background.

As of 2026, the WTA lists Chris Tontz and Kamau Murray as her coaches, while Stephens is 33 years old. Her personal life has also changed: she and Jozy Altidore, whom she married in 2022, announced in February 2026 that they were ending their marriage.

Stephens’ story therefore continues to involve much more than tennis. Her family, foundation, business interests and broadcasting work have all become significant parts of her life and career.

FAQs

Who is Sloane Stephens’ coach?

The WTA currently lists Chris Tontz and Kamau Murray as Sloane Stephens’ coaches.

How old is Sloane Stephens?

Sloane Stephens was born March 20, 1993, making her 33 years old in 2026.

Who is Sloane Stephens’ mom?

Sloane Stephens’ mother is Sybil Smith, a former collegiate swimmer at Boston University.

Who are Sloane Stephens’ parents?

Her parents are John Stephens and Sybil Smith. John Stephens played professional American football, while Sybil was a competitive swimmer.

Is Sloane Stephens still married?

No. Stephens and former professional soccer player Jozy Altidore announced in February 2026 that they were ending their marriage. They had married on January 1, 2022.

When did Sloane Stephens win the US Open?

Stephens won the 2017 US Open, defeating Madison Keys in the women’s singles final.

What is Sloane Stephens’ highest ranking?

Her career-high singles ranking is No. 3 in the world, according to the WTA.