Private Golf Lessons & Coaches in Glendora, CA

Ever wonder what separates a good shot from a great one? With two decades of experience, including time as a Tour Pro, I've honed the skills and techniques to elevate your game. Let's work together to unlock your potential and make you the golfer you always dreamed of being.

"The best couch ever 🔥

Imagine consistently driving the green and sinking putts under pressure. I empower students to reach their full potential by instilling the fundamentals and developing strategic on-course decision-making. As a former D1 athlete with 20 years of experience, I provide personalized guidance and mentorship to help you excel on the course.

"I appreciated the focus on fixing my setup and takeaway. Alan's advice really made my swing feel noticeably smoother and more consistent. It was a pretty good lesson because Alan gave me tips and things to look out for to develop an even better swing in the future. Overall, I left me feeling more confident about my iron shots. If you're looking for someone who offers helpful good insights and feedback from watching you swing, and learning the fundamentals I def recommend Alan.

20+ years golfing. 7 HCP. I love using technology to improve in golf. Let's work on the fundamentals.

"John was amazing! Very easy going, and his knowledge and instruction were top notch. I would recommend and have done to many of my friends about his services. Thank you again John I cant wait to put my new skills to the test on the course!

I was raised by the 8th hole at Montebello golf course. My dad took me as a kid and taught me the rudiments of the sport. I didn't pick it up seriously until covid 19! There's a lot more to golf than what you think!!! Allow me to teach you. I am Fueled by a lifelong passion, I've spent 7 years honing golfers' skills. As a former D1 athlete, I blend technical expertise with personalized guidance. I strive to make improvement enjoyable and effective. *Let's get you to make birdies and laugh a lot.

"I want to say , this man , gets me. I was struggling with lowering my game. He made me realized that the course management, short game and the putting , you can save strokes! I did ! 🤭 I didn't know it but I went from mid 90s to high 80s! Wow, amazing! It is just hit and go. Thank you coach Mario

Driven by a lifelong love of the game, I offer 20 years of golf instruction. As a Pro golfer, I bring high-level expertise to help students unlock their potential. My approach blends technique with tailored strategies for lasting improvement.

"I am Cody. I play golf with my dad and my dad wanted me to play in high school so Coach Mario has helped me become a varsity golfer as a freshman.

For over 25 years, I’ve helped golfers of all skill levels—from beginners to current PGA Tour professionals—improve their game and reach their potential. My passion for coaching comes from the life lessons golf teaches: patience, discipline, accountability, and perseverance. I believe great instruction is about more than the golf swing; it’s about building confidence, enjoying the process, and helping each player grow both on and off the course.

Currently a first year professional golfer (Status in Europe) Division-1 collegiate golfer (2020-2025) (Washington State University & University of San Diego) 2025 NCAA National Championship Participant 71.6 collegiate scoring average

With a quarter-century on the green, I've cultivated a keen eye for unlocking potential in golfers of all levels. My approach blends classic techniques with personalized strategies for lasting improvement and on-course enjoyment. I'm passionate about helping you achieve your golfing goals.

"Best golfer ever

Unlock your golfing potential with personalized guidance. As a fmini-tour competitor with 10 years of teaching experience, I tailor my approach to help you achieve your goals. Expect a focused and fun learning environment.

"Cory was very knowledgeable! He broke down the basics of my swing and how to improve. I appreciated the data and comparison videos from each lesson!

David Byrne is an internationally experienced PGA Professional and Golf Performance Coach, bringing over 25 years of elite coaching expertise across the United States and Europe. Originally from Ireland, David is a dual member of both the PGA of America and the European/UK PGA, a distinction that reflects his global perspective and deep-rooted knowledge of the game. Known as “The Golf Whisperer,” David has built a reputation for transforming players of all levels—from complete beginners to elite amateurs and touring professionals—by simplifying the golf swing and delivering measurable, lasting results. David holds a Master’s degree in Sports Psychology, giving him a unique edge in performance coaching. He integrates mental conditioning, focus training, and competitive mindset development into every lesson, helping players not only improve technically but also perform under pressure. His coaching philosophy blends athletic movement, body-driven mechanics, and efficient ball striking, moving away from overly technical instruction and toward a more natural, repeatable swing. In addition to his coaching career, David is a published author and co-creator of the golf book “The Swing,” where he shares his insights into simplifying the game and unlocking peak performance. His background also includes experience as a college-level coach, further strengthening his ability to develop players in structured, high-performance environments. A firm believer in combining tradition with innovation, David utilizes advanced technology such as TrackMan, GCQuad, and high-speed video analysis to provide precise feedback and accelerate improvement. He also incorporates golf-specific fitness and mobility training, ensuring his players develop strength, flexibility, and durability to support a powerful, efficient swing. David’s coaching covers all aspects of the game, including: Full Swing (Driver & Irons) Short Game & Scoring Course Management & Strategy Mental Performance & Golf Psychology Competitive Player Development Golf Fitness & Movement Training A former Irish Sports Writers Pro-Am Champion (2016) with a sub-par winning performance, David combines competitive playing experience with world-class coaching knowledge. Now based in Santa Monica, California, David works with dedicated golfers seeking to elevate their game, lower their scores, and play with clarity, confidence, and consistency.

"I was only fortunate enough to know and work with David Byrne for a little over a month before he relocated to California, but that short time made a lasting impact on my game. I truly enjoyed his passion for golf and his genuine desire to help players get better. David often went out of his way to coach me between lessons whenever he wasn’t already busy teaching others—something I greatly appreciated. At 67 years old, I’m not looking to completely rebuild my golf swing, and David understood that from day one. His approach focuses on helping you find a swing thought that works for your swing, rather than forcing a onesizefitsall method. He helped me understand my swing plane and path, and how to consistently get into the right position before impact. After that, his favorite encouragement was always: ‘Turn the corner!’ And it worked. David is a talented instructor, an insightful coach, and an allaround good person. And watch out for his son—just a wee lad with a fabulous golf swing already! David’s passion clearly runs in the family.