TRAIN WITH
PURPOSE.
Elite development for all levels — led by former D1 point guard and international athlete Artemios Gavalas.
TRAIN WITH
PURPOSE.
Elite development for all levels — led by former D1 point guard and international athlete Artemios Gavalas.
Built From Experience — Designed for Real Growth.
“Mesa was built to give players access to the level of training, mindset, and mentorship that shaped my career. Everything I learned from some of the best programs and coaches in the world, I now bring directly to every athlete I work with. My goal is simple, pass that on to the next generation.”
Artemios Gavalas — Founder, Mesa Basketball Training

“My son and daughter both train with Artemios and I can't say enough good things about the experience. He's an outstanding trainer who offers both one-on-one and group sessions, and every workout is organized, challenging, and fun. What really stands out is how well he connects with each player. He understands that every child learns differently and takes the time to coach them in a way that helps them succeed. No matter their skill level, every player leaves each session better than when they arrived. He's not just teaching basketball skills—he's helping kids become smarter, more confident, and more well-rounded players. His passion for the game and genuine investment in each athlete's development really show. If you're looking for a trainer who truly cares about helping young players improve and reach their potential, I highly recommend him. My son and daughter have both grown tremendously because of his training, and we're grateful to have found him!”
Billy Antonopoulos
The Approach
We Teach the Game — Not Just Drills
Players develop basketball IQ, decision-making, and real game awareness so skills translate under pressure.
Real Development. Real Results.
No gimmicks. No wasted reps. Every session is designed for measurable improvement in skill, confidence, and performance.
Built Beyond Basketball
We train discipline, focus, and resilience, because great players are built mentally as much as physically.

EVERY REP. EVERY SESSION.
EVERY PLAYER.
The Name
ΜΕΣΑ is the Greek word for “in.” In basketball, it is the call you hear the moment a shot finds the net. It represents precision. Confidence. Execution. A word that has followed Artemios his entire life and now defines how players train.

Training Programs for Every Level

Competitive. Collaborative. Consistent.
Group Training Sessions
Small group basketball training focused on skill development, game situations, and live competition. Perfect for players who want to improve while being pushed by others.
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Intense. Immersive. High-Volume.
Mini Camps
Multi-day intensive camps built for rapid skill growth, competitive games, and confidence-building in a high-energy environment.
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Personalized. 1-on-1. Targeted.
Private Training
Customized training programs built around your position, goals, and development needs.
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Proven Experience. Trusted Development.
5+
Years Training Athletes
Age 4–Pro
Athletes Trained
D1 + Pro
Playing Pedigree
Who We Train
What Players Gain
Service Area
Serving athletes across Long Island — Manhasset, Garden City, Hempstead, Long Beach, Huntington, Brookville, Southampton, Mineola, Westbury and surrounding areas in Nassau County and Suffolk County, NY.
From first-time players to seasoned athletes, Mesa has a program built for every level. Browse available sessions and lock in your booking today.
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