Mr. Schoenefeld was born in Dusseldorf / Germany. He attended the DTB/VDT tennis trainer education for four years and has received three of the highest Tennis training diplomas with different specializations during this time, which are all recognized by the ITF.
His specializations reach from ”main stream club tennis" up to "training and Micro, Meso, Makro training/ tournament planning" and the training of sport psychological components of and for professional tennis players. (“High Performance Athlete Development” and guidance of professional tennis players)
In addition, he has attended various seminars as "Optimal Biomechanical Movement Structures in the tennis sport ", "Sport psychological aspects and their importance in professional Tennis"; “Enhancing the Zone performance of professional athletes”;also, he has completed an emergency first response course that follows current guidelines for emergency patient care, and many more.
He has been at ACS Athens for the past 17 years, and manages the ACS Athens Tennis Academy as its coordinator and Head coach.
Ms. Markesini was born and raised in Athens, Greece. She holds a bachelor’s degree in Sport and Leisure Management from the East Tennessee State University. She played professionally in her past and was ranked in the age of 18 Nr 1 in Greece.
She worked as a tennis coach in Greece and the US and joined ACS Athens in 2018 as a part of the tennis coaching team. Mr Markesini is responsible for the theoretical implementation and documentation of the “High Performance Athlete Development Program”.
In addition, she is responsible for the practical implementation of the “Young Athlete Development program”, tournament planning and the tennis academy’s “Mini Tennis Program”. She has completed an emergency first response course that follows current guidelines for emergency patient care.
Mr. Ioannis Vaxevanakis was born in Thessaloniki and grew up in Athens Greece. He studied Sport Science with specialization in Tennis (Department of Physical Education and Sport Science (2005).
From 1993 till to date he participates in national union and Panhellenic tournaments. He has been teaching Tennis since 2006 in several tennis clubs in Athens and as of September 2017 has joined the ACS Athens Tennis Academy coaching team.
Mr Vaxevanakis is responsible for the practical implementation of the “High Performance Athlete Development Program”. Also, he has completed an emergency first response course that follows current guidelines for emergency patient care.
Mr. Chris Kourtis was born and raised in Athens, Greece. He studied Physical Education and Sports Science at the University of Athens, where earned his Bachelor's Degree in 2003, specializing in Tennis.
He has been actively involved in teaching Physical Education at ACS Athens since 2009, at all three school levels. Currently, he is teaching MS 8th and 7th grade Physical Education.
In 2018, Mr. Kourtis was recognized by Stanford University for his exceptional teaching and his dedication as an educator and a mentor.
During the 2020 and 2021 lockdowns, Mr. Kourtis joined the "Home base PE summit" and participated in more than 20 webinars with PE professionals from all around the globe.
Mr. Kourtis is a member of the American Coaching Academy, where he is gaining valuable professional development and resources.
Besides his teaching background, Mr. Kourtis, is a certified lifeguard, a (level D) wall climbing operator/supervisor and has successfully completed the Emergency First Response Course that follows current guidelines for emergency patient care.
Mr. Chris Kourtis has been coaching tennis since 2001 and, in 2007, joined the ACS Athens Tennis Academy, coaching team. He is also the coach of the ACS Athens Middle School Tennis team.
Ms Konstantina Lalaouni was born and raised in Athens, Greece. She studied Sports Science with a specialization in Tennis in the Department of Physical Education and Sport Science in National and Kapodistrian University of Athens (2017).
After she completed her Postgraduate studies (Master) in the field “Sport & Health” in School of Medicine in National and Kapodistrian University of Athens (2020).
She played professionally in her past and was ranked at the age of 18 Nr. 9 in Greece. Also, she has ranked 16th in the international tournament in Heraklion, Crete (ITF Circuit).
She has been teaching Tennis since 2015 in several tennis clubs and in other private schools in Athens and as of September 2021 has joined the ACS Athens Tennis Academy coaching team.
In addition, she is responsible for the tennis academy’s “Mini Tennis Program”.