About us
The Tennis DNA Academy is led by Athanasios Sakellariou and Fernando Ettlin.
Both bring their own experiences and complement each other in daily operations.
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The focus is on a professional and reliable environment for children, teenagers, and adults.
Emphasis is placed on clear communication and direct exchange with players and parents.
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The work surrounding tennis is based on conviction, experience, and a genuine passion for the game.
Athanasios "Thanos" Sakellariou
Co-Founder & Head Coach
Responsible for the athletic direction of the Academy.
Specialized in competitive sports with international experience on the Tennis Europe and ITF Tour.
Works regularly with ambitious players and top juniors and is well-connected in international tennis.
Our team
Fernando Ettlin
Co-Founder & Management
Co-responsible for the organization and development of the Academy.
In addition to his work on the court, Fernando takes care of administrative processes and ongoing operations.
He ensures clear structures and reliable daily routines.
Stefanos Chatzis
Stefanos brings his experience from national and international competitive tennis to the Tennis DNA Academy.
As an Academy Coach, he works according to the Tennis DNA Academy's shared training philosophy and implements it daily on the court. In doing so, he specifically applies his experience from competitive tennis to the development of our players.
Academy Coach