Storytelling Over Swing Data: Inside Jerome Theunis's Coaching Philosophy

Jerome Theunis was a golf pro himself — a Challenge Tour player who represented Belgium in the World Cup — before he became one of the most sought-after (and quietly under-the-radar) coaches in the game. It started with his roommate on tour, a young Nico Colsaerts, who got sick of finding golf technique books in the bathroom and Sharpie diagrams on the hotel TV. "I think you're pure psycho," Nico told him. A few years later Colsaerts was in the Ryder Cup, and Jerome had found his calling. Sin...