A former Romanian top player turned esteemed coach, Calin has 14 years of shaping tennis talents, including WTA and ATP pros. His blend of academic insight and on-court experience drives his coaching philosophy. [Click photo for bio]
Michael is a seasoned USPTA professional with a rich tenure in tennis, including directing programs and coaching collegiate teams. The Buffalo native and proud father of three has also authored a children's tennis program. [Click photo for bio]
Kelton Allen has spent 22 years mastering the art of tennis coaching. A Hanover College alum and disciple of Dennis van der Meer, his holistic, game-based teaching has shaped countless players at Terrell Mill Tennis Center. [Click photo for bio]
A short biography of the employee and why their background should inspire potential clients' confidence.
A short biography of the employee and why their background should inspire potential clients' confidence.
A short biography of the employee and why their background should inspire potential clients' confidence.
At North Atlanta Tennis Academy, our foundation is solidly built upon the unique expertise and shared vision of our esteemed partners and managing directors – Calin Constanceanu, Michael Kreider, and Kelton Allen. With a collective coaching tenure that spans over six decades, they bring a wealth of individual talents and experiences that synergize to create an unparalleled playing and educational atmosphere. Our trio of tennis aficionados has meticulously crafted a winning philosophy that extends beyond the court, offering a comprehensive approach that nurtures players’ abilities and well-being throughout all ages and phases of their tennis journey. Join us at North Atlanta Tennis Academy, where passion for the game and life lessons meet.
North Atlanta Tennis Academy is dedicated to providing a premier tennis education. Our goal is to inspire and empower each player to reach their full potential through state-of-the-art training, personalized coaching, and a supportive community. We strive to be the stepping-stone to both athletic and personal success.
Kelton allen
Calin’s passion for tennis transcends the court, where his history as a top-ranked player in Romania laid the foundation for over 14 years of dedicated coaching. His expertise is not confined to nurturing local talent but extends to the global arena, having honed the skills of five WTA Tour professionals and one ATP competitor. Backed by a BA in Physical Education and Tennis Coaching, along with a Master’s Degree in Sports Management, Calin’s academic prowess complements his on-court strategies.
As a certified PTR professional and a proud member of the USPTA, Calin’s commitment to tennis coaching excellence is clear. His specialized certifications as a Junior Athletic Conditioning Specialist and a Mental Toughness Trainer showcase his holistic approach to athlete development, focusing on both physical prowess and psychological resilience.
Calin’s personal life mirrors his professional journey, with his daughter following in his footsteps as an aspiring tennis player. His role as a father and coach merges on the sidelines, where he brings the same dedication and expertise to her training as he does for his students. Calin’s multifaceted approach to coaching, enriched by a lifetime of tennis, academic knowledge, and personal experience, makes him a paragon in the sport’s community.
Michael’s extensive 20-year journey as a P1 USPTA tennis professional has seen him thrive in numerous roles within the industry, from a comprehensive stint as a Tennis Director in Mobile, Alabama, to his latest tenure as the Head Coach of the men’s and women’s teams at Spring Hill College. His expertise and passion for the game have also led him to author “Zoo Crew Kid’s Tennis,” an innovative children’s tennis program and accompanying book, further contributing to his legacy in youth sports development.
A native of Buffalo, New York, Michael’s academic path led him to the University of Alabama at Birmingham, where he graduated and subsequently established his life in the South, embracing the region’s warmth and community. Despite his professional successes, it is his role as a father to Mary Catherine, Aubray Kaye, and Sarah that Michael holds in the highest regard. Instilling in them the core values of dedication and integrity, he embodies the principles that he champions in both his personal life and professional career.
As a coach, mentor, and parent, Michael’s life is a testament to the impactful blend of professional achievement and personal fulfillment, making him an inspirational figure in the tennis community and beyond.
Kelton Allen’s professional trajectory in tennis is a reflection of his lifelong dedication to the sport. Hailing from Clarksville, Indiana, Kelton’s athletic journey began amid a diverse sporting background, yet it was tennis that captured his enduring passion. A graduate of Hanover College, Kelton honed his business acumen alongside his athletic prowess, earning a Bachelor of Arts with a focus on Business Administration.
His collegiate tennis career with Hanover College was marked by four years of competitive play, laying a solid foundation for his future in coaching. Kelton’s pursuit of coaching excellence led him to the prestigious tutelage of Dennis van der Meer in Hilton Head Island, South Carolina. It was here that Kelton absorbed the innovative techniques and philosophies that would shape his coaching identity.
For the past 22 years, Kelton has brought his expertise to the Marietta area, becoming a cornerstone of the Terrell Mill Tennis Center. As a PTR certified Professional for the same duration, he has meticulously crafted his coaching methods, successfully guiding players from their initial strokes to the pinnacle of elite competition.
Kelton’s coaching philosophy is distinctive for its holistic nature, emphasizing a Games-Based Programming approach complemented by guided discovery. This strategy ensures that players not only learn the technicalities of the sport but also the tactical, mental, and physical aspects, fostering well-rounded athletes poised for success on and off the court.
His dedication to the development of each player, along with his innovative coaching strategies, has solidified Kelton Allen as a venerated figure in the realm of tennis coaching.
