The Golden Slam’s Financial Triumph Steffi Graf, the German tennis icon, has an estimated net worth of $145 million as of 2025. As the only player in history to achieve the “Golden Slam” in a single calendar year (winning all four major tournaments and the Olympic gold medal in 1988), her career was marked by unparalleled dominance. Her prize money earnings, though significant, were just one part of her financial success.
Graf’s fame and grace on and off the court made her a highly sought-after endorser. She had long-standing relationships with major brands, most notably Adidas, which not only paid her millions but also led to her own line of signature sneakers. She also appeared in high-profile commercials for brands like Opel, solidifying her status as a national icon in Germany and a global superstar. Since her retirement, she and her husband, fellow tennis legend Andre Agassi, have co-managed a diversified investment portfolio that includes stakes in tech and wellness companies. Her financial legacy is a testament to her consistent performance and her ability to leverage her reputation into a powerful and lasting personal brand.
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