Randy de Guzman
Randy has been coaching tennis for over 30 years and is certified as a Master of Tennis–Performance and Adult Development by the Professional Tennis Registry (PTR), as well as a Tennis Performance Trainer through the International Tennis Performance Association (ITPA).
As Head Coach of Gonzaga College High School, Randy has led the program to multiple WCAC team and individual championships. His students have gone on to excel in competitive junior tennis, high-school programs, and collegiate play.
Randy’s coaching philosophy centers around clean and controlled contact, strong fundamentals, and developing confident, athletic players. He specializes in improving timing, movement, and decision-making for players of all levels—from adult beginners to performance-oriented juniors.
As a full-time coach, he provides lessons through Georgetown Campus Recreation and DG Tennis, where his mission is to help more people enjoy the game while continually improving. Randy also volunteers at his sons’ elementary school, guiding the team to back-to-back championships and promoting tennis development in the community.
Known for his positive energy, technical clarity, and passion for teaching, Randy brings a blend of experience, professionalism, and enthusiasm to every session.
Joel Locsin
Joel is a PTR Professional and began teaching tennis in 2004. Born and raised in Manila, Philippines, Joel was a former top 25 junior in the 18 & under national rankings. He immigrated to the United States in 2001 and was ranked in the top 25 Men’s Open division in the Mid-Atlantic. Joel continues to have love for the sport through teaching and playing.
Joel’s coaching/teaching experience includes working as an assistant pro at the Country Club of Culpeper and Culpeper Tennis Center in Virginia. He teaches players of all ages and skill levels and has helped coach junior players into playing college tennis. Joel is dedicated on building good technique and good character on and off the court.
Beyond tennis, Joel holds a Bachelor’s degree in Nursing from James Madison University and was an ER nurse for 12 years. In 2016, he obtained his Master’s degree in Nursing from the University of Virginia to become a Family Nurse Practitioner.
To book a lesson with Joel, please click the link below and send him an email to coordinate your schedule.
