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Stefan has a lifetime of tennis experience having started his tennis education in Italy at age 7 with his brother Mattias (age 5) at Tennis Club Gallarate and then later in teens at Tennis Klub Blau-Gold Steglitz in Berlin. 
Stefan has been a private tennis coach in the US since age 15. He has been head Coach of the Melbourne High School Tennis team as well as Head Coach of Trinity Prep in Orlando.

Stefan has a passion for tennis coaching and. has coached ages 3 through 99.
His knowledge of biomechanics and kinesiology from his education at UCF's Sports & Exercise Science program plus his medical training and orthopaedics experience allows for a unique understanding of tennis and how it must be taught in a method for proper technique to allow for a lifetime of play without injury.

Stefan currently only accepts high performance athletes. 

Comprehensive Match and Stroke Analysis
with Mattias Hartmann, PA-C and Tennis Pro

Mattias teaches all ages and levels both in person and virtually through his analytics and YouTube Channel

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