Derrick Allen, a director of the Rancho Park Golf Academy and the senior professional golf instructor at Rancho Park Golf Course in Los Angeles, has nearly 3 decades of experience teaching and playing golf with over a thousand students including Mandy Patinkin, Morgan Freeman, David Duchovny, and sitting President Bill Clinton. Two of Allen's junior golfers are ranked first in Southern California in their age brackets, and a former student was a Los Angeles City Champion, winning a scholarship to UCLA. This student now plays on the LPGA's Futures Tour. In the past, Derrick served as a head coach for both the Crossroads School and Marymount High School varsity golf teams. Students can benefit from one-on-one private lessons from Derrick.