Ilana Kloss built a respected name in tennis and sports leadership. Over the years, she gained recognition as a skilled doubles player and, later on, shaped the game through leadership roles. As a result, her journey reflects dedication, consistency, and long-term impact in sports.
Quick Bio
| Full Name | Ilana Sheryl Kloss |
|---|---|
| Date of Birth | March 22, 1956 |
| Age (2026) | 70 years |
| Birthplace | Johannesburg, South Africa |
| Nationality | South African |
| Profession | Former Tennis Player, Sports Executive |
| Height | 5 feet 7 inches (approx.) |
| Weight | Around 60 kg (estimated) |
| Eye Color | Blue |
| Hair Color | Blonde |
| Partner | Billie Jean King |
| Net Worth | $25+ million (combined estimate) |
| Known For | Tennis Career & Sports Leadership |
Early Life and Background
Ilana Kloss was born on March 22, 1956, in Johannesburg, South Africa. From an early age, she showed a strong interest in tennis. In fact, her teenage years focused heavily on training and competition. Because of this early start, she developed the discipline and skills needed to succeed professionally.
Tennis Career
Ilana Kloss began her professional career in the 1970s. At first, she focused on doubles, and gradually, she built a strong reputation. In 1976, she reached the World No. 1 ranking in doubles. At the same time, she won the US Open Women’s Doubles title and the French Open Mixed Doubles title.
In addition, she performed well in singles and reached a career-high ranking of No. 19. Earlier in her journey, she won junior titles at Wimbledon and the US Open. Therefore, her early achievements clearly showed her potential.

Career After Tennis
After retiring, Ilana Kloss stayed connected to tennis. Instead of stepping away, she moved into leadership roles and worked with World TeamTennis. As commissioner, she helped promote team-based tennis and expand its reach.
Moreover, she became involved in business ventures related to sports. For example, she invested in professional teams and supported sports organizations. Because of these efforts, she successfully transitioned from athlete to executive.
Partner and Relationship
Ilana Kloss shares her life with Billie Jean King. Over time, their relationship grew stronger and became widely respected. They married in 2018, and since then, they have continued to support each other both personally and professionally.
Family Life
Ilana Kloss keeps her family life private. Although public information about her parents and siblings is limited, she values close relationships. Overall, she prefers to keep the focus on her career and achievements.

Age and Physical Appearance
As of 2026, Ilana Kloss is 70 years old. Even now, she maintains an active lifestyle.
- Height: Around 5 feet 7 inches
- Hair Color: Blonde
- Eye Color: Blue
As expected, her athletic background reflects in her appearance and overall energy.
Net Worth
Ilana Kloss has earned financial success through her career. Over the years, she built income through tennis, executive roles, and investments. Currently, her combined net worth with Billie Jean King is estimated at over $25 million.
Lifestyle
She lives a balanced lifestyle between work and personal life. For instance, she spends time in cities like New York and Chicago. In addition, she supports causes related to women’s sports and equality. Because of her involvement, she continues to influence the sports world beyond competition.
Social Media
Ilana Kloss does not maintain an active presence on social media. Instead, she appears through official events and professional platforms. As a result, she keeps a low public profile online.

Achievements and Legacy
Ilana Kloss achieved major success as a tennis player and later as a sports executive. Not only did she reach the top ranking in doubles, but she also won Grand Slam titles. Furthermore, her work after tennis helped grow the sport and create new opportunities. In conclusion, her legacy continues through her lasting contributions to tennis and sports leadership.
FAQs
Who is Ilana Kloss?
She is a former professional tennis player and sports executive. She is best known for becoming the World No. 1 doubles player and later contributing to tennis management.
How old is Ilana Kloss?
Ilana Kloss was born on March 22, 1956. As of 2026, she is 70 years old.
Who is her’s partner?
Ilana Kloss is married to Billie Jean King. They have shared a long-term relationship and officially married in 2018.
What is Ilana Kloss’s net worth?
Her exact individual net worth is not publicly confirmed. However, her combined net worth with her partner is estimated to be over $25 million.
What is her known for?
She is known for her successful tennis career, especially in doubles, and her leadership role in World TeamTennis and other sports ventures.