Robert Yang is a highly sought-after nutritionist and strength and conditioning specialist located in San Diego, CA who has worked with professional athletes who have competed in the National Football League (NFL), Major League Baseball (MLB), National Hockey League (NHL), the X Games, the Professional Golfers・Association (PGA) Tour, and the Ladies Professional Golf Association (LPGA) Tour. He wrote the book Hole-in-One Nutrition which teaches golfers how to eat to hit and play longer.