When Craig Tiley stepped onto the court as an adult, he delivered two serves that changed everything—clocking in at a blistering 164 mph, leaving his opponents completely bewildered. That was just the beginning of a remarkable journey that has now come full circle.

Tiley's first big break came in 1992 in Champaign-Urbana, where he was hired by athletic director Ron Guenther to lead instruction at the Atkins Tennis Center. Within a year, he was running the Illinois men's tennis program, first as interim coach in 1993, then permanently. The early years had their share of growing pains, but what followed was nothing short of extraordinary.

From 1993 to 2005, Tiley transformed Illinois into a powerhouse, amassing an incredible 274-77 record. The crowning achievement came in 2003 when the Fighting Illini captured the NCAA title with a perfect 32-0 season. Their 64-match winning streak—a testament to the program's dominance—finally ended in a heartbreaking 4-2 loss to UCLA in the 2004 NCAA semifinals. Illinois was poised to repeat, but fell just short of glory.

Then came Act 2, and it took Tiley halfway around the world to Australia. Hired in 2005 as the country's director of player development, he quickly became the driving force behind the Australian Open. For 21 years, Tiley shaped the Grand Slam event, adding the CEO title in 2013. Under his leadership, the tournament skyrocketed in both financial success and prestige, becoming a must-see event on the global tennis calendar.

Off the court, Tiley's family has been his anchor. He and his wife Alicia, a Chicago-area native, have three children: daughter Marlowe (13) and twin sons Archer and Weston (12). While Marlowe is passionate about basketball, the boys have followed in their father's footsteps, making tennis their main sport. The kids have grown up in Australia, but a new chapter awaits.

Tiley left Tennis Australia in February and is set to become the CEO of the U.S. Tennis Association later this year. "It's a big job, but I'm really looking forward to it," he said with characteristic confidence. The family will relocate to Florida, and Tiley jokes, "Everyone's going to be talking to them about kangaroos."

Adapting to a new country won't be easy for his children. "It's tough for them to leave their friends," Tiley admitted, "but I'm preparing them to become future Illini."

Rajeev Ram, a star on Illinois' 2003 NCAA title team, is thrilled about Tiley's return to the U.S. "He's done an unbelievable job of making every place he leads up better," Ram said. "You know the story with Illinois tennis and then Tennis Australia. He's taken it to a new level, and now he's coming to the USTA. With his track record and ability to get things done, I can't imagine it will be anything but incredibly positive for American tennis. I think it's a great hire by the USTA."

Ram, now 42, has stayed in touch with Tiley over the years, crossing paths four or five times a year at tournaments. As Tiley prepares to write his next chapter, one thing is clear: the man who aced his first two serves is ready to serve up another winning performance.