Darrell has been teaching tennis since 1985. Over the years, he has developed many top-ranked college and junior players. Prior to coming to PRO, Darrell worked as the Director of Tennis at the Ojai Valley Inn and Country Club, The Alaska Club, The Spa at Great Gorge in New Jersey and also taught at the Turtle Bay Hilton and the Marriott Desert Springs. Before starting his teaching career, Darrell trained under Gerry Dubie, the Nick Bolletieri Tennis Academy in Anchorage and the Harry Hopman's Tennis Academy in Florida. He is certified USPTA Elite.

Mary is a professional tennis coach with over 24 years of teaching experience and is a certified USPTA elite professional. She began her tennis career at an early age and continued throughout high school in Spokane, Washington. One of her main achievements was winning the state high school championships AAA singles title, which led her to a full athletic scholarship to University of Washington. She played at the number one position and was the first female from the UW tennis team to be a nationally ranked player in both singles and doubles. Mary was named, the “University of Washington Female Athlete of the Year” and was recently inducted into the “Gonzaga Prep High School Hall of Fame”. Mary brings a wealth of knowledge and passion for coaching across all ages and abilities.