PTCA Accredited Master Professional IG, Qualified Expert in Junior & Coach Development and International Gold Member.
Since 2003, a specialist in tennis visualization and a visual coaching consultant for tennis associations
Regular instructor in the C/B coach education program of the Baden Tennis Association.
Development and production of digital curricula for tennis associations
Digitization of the entire DTB coach training program as producer of the DTB Online Campus, the official training platform of the German Tennis Federation (DTB), from 2015 to 2020, serving 15,000 coaches
Lecturer at numerous continuing education courses offered by the DTB and the Baden Tennis Association
Long-time leader of a talent development group and honorary coach for the Baden Tennis Association.
Youth coach (ages 6 to 14) for Dominik Koepfer, who was ranked No. 1 in U.S. college tennis in 2016 and is an ATP professional (career-high ATP ranking of No. 49 in 2024).
3 years as an analyst at the Madrid Open (ATP 1000 event)
Integration and adaptation of the sports analytics tool VizLibero into tennis education
Visual coaching course as part of the B-level coaching education program at the Baden Tennis Association (BTV).
Co-Founder
Juergen Mueller
Education System and Content Creator · TennisGate
Age-appropriate transfer of key skills and learning factors out of elite tennis.
DTB (DOSB) A-Level Coach
Multiple World and European Champion as a coach with DTB teams and individual players
PTCA Accredited Master Professional IG, Qualified Expert in Junior & Coach Development, and International Gold Member
PTCA Accredited Master Professional IG, Qualified Expert in Junior & Coach Development, and International Gold Member
Multiple World and European Champion as a coach with DTB teams and individual players
More than 25 years as a regional coach for the Baden Tennis Association
Transition coach for Dominik Koepfer (#1 in U.S. college tennis in 2016, ATP career-high #49 in 2024)
Won several German and regional youth titles with junior players from Blau-Weiß Villingen
In his role as an honorary DTB coach, he has mentored world-class juniors such as Nicolas Kiefer, Daniel Elsner, Philipp Petzschner, Philipp Kohlschreiber, and Aljoscha Thron
Instructor and examiner for the B-level coaching education program at the Baden Tennis Association.
For 30 years, organizer of the Easter training camp in Albarella, Italy, with a total of over 3,500 participants.
Co-Founder
Edgar Giffenig
Education System and Content Creator · TennisGate
A combination of international high-performance coaching experience with in-depth expertise in sports science and strategy.
14 years as a national coach for the tennis associations of the U.S., Mexico, and Germany
PTCA Accredited Master Professional IG, Qualified Expert in Junior & Coach Development, and International Gold Member
Traveled with the Bryan Brothers in their junior years from 1990 to 1995
Over the years, these experts have contributed to TennisGate in collaboration with partners and through joint projects.
Silvester Neidhardt
Functional Training Expert
Silvester Neidhardt is one of Germany's most experienced coaches in the field of athletic and mental training
Competences
MobilisationStabilisationWorkshopsFortbildungen
His clients include Olympic ski champion Markus Wasmeier, world No. 1s Rainer Schüttler and Stefan Koubek, world-class soccer players Dante and Barbosa, world-class gymnast Lukas Dauser, and many more.
Silvester held presentations to a total of over 800 participants at the German Tennis Federation’s A-level coaching education courses in 2017 in Göttingen and in 2019 in Berlin
Since 2015, he has been a regular instructor for the continuing education courses offered by the Baden Tennis Association.
He demonstrates his expertise not only as a personal coach and athletic trainer, but also as an instructor (PT A License, Mental Coaching, Functional Training A License) and as a Functional Training Specialist.
In a unique series of tests conducted for TennisGate, Silvester conducted screening for over 100 top tennis players of all age groups, including professionals Dominik Koepfer, Sina Herrmann, and Alex Vecic, as well as many national team athletes.
Silvester conducted a series of biofeedback tests with over 3,500 people, including medical and technical training sessions and tests for teams, individual athletes, and national teams.
Degree in Art and Physical Education for Elementary Schools
C-Level Coach (DOSB)
Certified Fitness Trainer
2015–2020: Editorial staff member for the official curriculum in the area of methodology
Four-time Baden Youth Champion,
German Youth Champion at the Cilly-Aussem Games with Baden
Active player in the 2nd Bundesliga with BW Vilingen
Thorsten Damm
Research Assistant · Uni Heidelberg
Research Assistant at the Institute of Sports Science at Heidelberg University
Competences
Kids Ballschool
Degree in Business Education (teacher training) at the University of Mannheim, combined with Physical Education at the Institute for Sports and Sports Science at the University of Heidelberg
2006–2015: Full-time project manager for the Heidelberg Ball School
Author of several articles in journals as well as in the books *Doppelstunde Ballschule* and *Ballschule Fußball*
Eberhard Schloemmer
Personal Trainer · Perform Better
Sports scientist and certified Functional Movement Screen® (FMS) instructor with education.
He trained entire generations of coaches and ensured that the DTB's coach education program was raised to an internationally recognized level.
Competences
Complex trainingconditioningtechniquekids' tennis
Degree in Sports Science
DSHS Cologne, leading to a diploma in physical education; program leading to a DOSB-certified diploma in coaching at the Technical University of Cologne
DTB A License
State-certified tennis instructor
2006 and 2018: Named “Coach of the Year” by the DTB
2011: Award for Coaches from Tennis Europe
As a coach and captain, he led his players and teams to the European Championships, European Cups, and World Junior Cups (twice world champions, once world runners-up)
Coach, Instructor, Author, Speaker, Mentor, and Moderator
Speaker at seminars, education courses, and conferences in Germany and abroad
Author of professional articles
Project Manager and Author of the DTB Online Campus
Project Manager and Speaker at the International DTB Tennis Congress
Thimo Wiewelhove
Doctor of Sports Science · Hochschule IST
Sports scientist specializing in exercise and movement physiology.
Competences
Speed
Ph.D. in Sports Science
DOSB Level A Coaching License in Competitive Sports
Research Assistant at the Chair of Exercise Science
Director of Sports Science at the Center for Sports Medicine, Training, and Performance Diagnostics at Elisabeth Hospital in Essen
Former Head of the Tennis Department in the Sports and Physical Activity Division of the Faculty of Sports Science at Ruhr University Bochum
Member of the Council of Spokespersons for the Training Science Section of the German Association for Sports Science (dvs)
Member of the Sports Science Committee of the German Tennis Federation (DTB)
