A strong team
Professional. Experienced. Close.
One team – one mission. In addition to tennis, one thing unites us above all: Stagnation is not an option! Every day, we work with passion and a lot of energy on the further development of our talents and our academy. We are convinced of our philosophy and convey it to the outside world.
An agile and diverse team introduces itself!
Our trainer team
Our experienced coaching staff has worked with the following players:
// Nicolas Kiefer // Julia Görges // Dusan Lajovic // Andrea Petkovic // Petra Martic // Tobias Kamke // Somdev Devvarman // Treat Huey // Aleksandra Wozniak
Sascha Nensel
Sascha coordinates the entire athletic field. His main task is working with the top professionals. He also supports and advises the young professionals as well as the competitive perspective players.
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Milos Galecic
Director of Fitness
Milos is responsible for the physical fitness and prophylaxis of our top professionals. He also works intensively with the young professionals and competitive perspective players.
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Somdev Devvarman
Somdev is responsible for the development of our top professionals, he supports and advises both the young professionals and the competitive youth players.
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Ricardo Gelbke
Ricardo trains players at all levels, from Young Starters to professionals. His hunger for success and his incredible energy on the tennis court make him a coach that everyone enjoys training with.
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Samantha Brdys
Samy is responsible for the physical fitness of our Young Starters and the smooth running of the boarding school. As a strong trainer, she also supports units on the tennis court. Everyone loves her incredibly positive energy!
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Michal Osomanski
Michal primarily provides training for our Young Starters. He develops our younger players in particular tactically and playfully. Everyone benefits from his own experience as a successful tennis player!
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Oliver Lange
Olli is responsible for the development of our young professionals, for the competitive young players as well as for our players in the young starter area.
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Sascha
Nensel
Headcoach
Sascha coordinates the entire athletic field. His main task is working with the top professionals. He also supports and advises the young professionals as well as the competitive perspective players.
His many years of tour experience at the absolute top level for men and women and his numerous international successes make him a very special trainer with a unique aura on the court.
Long-standing world-ranked and Bundesliga player
A-coach and holder of the PTCA gold badge, Certified Master Professional
Germany’s Coach of the Year in 2008
Former state coach and head coach of the German Tennis Federation (DTB) National Coaching Centre in Hannover
15-year top-level tour experience on the men’s and women’s circuit
Long-standing coach for Nicolas Kiefer and Julia Görges
Coach for Dusan Lajovic in 2016
Coach for Petra Martić and Tobias Kamke in 2017
2017/2018 Coach for Andrea Petkovic
2016–07/2018 Sporting Director of the Schüttler Waske Tennis University
Somdev
Devvarman
International High Performance Expert
Somdev is responsible for the development of our top professionals, he supports and advises both the young professionals and the competitive youth players.
His experience at the highest level, his love and respect for the sport of tennis, and his drive to be the best at everything he does make Somdev a valuable member of our team!
Former #1 ranked
Indian tennis player
Sociology major, University of Virginia, Class of 2008
Achievements
Back to back NCAA singles Champion in 07,08 while at UVa.
Career high of #62 in ATP singles rankings 2011 (highest Indian since Ramesh Krishnan in 1992)
Wins over Raonic, Cilic, Baghdatis, Isner, Anderson, Johnson, Sock, Vesely, Schuettler, Tipsarevic, Dolgopolov,Malisse, among others
Led India to the World group of Davis cup in 2009-2010
Singles gold medalist at 2010 Commonwealth games in men’s singles
Men’s singles and doubles gold with Sanam Singh at 2010 Asian games
2 career ATP world tour finals in 2009, Chennai and 2011, Johannesburg
Awards and recognitions
Arjuna Award 2011
After major shoulder surgery in 2012, was nominated for comeback player of the year by the ATP in 2013 and lost out to Rafael Nadal
Padma Shri 2018 (4th highest civilian award in India)
NCAA tennis Hall of fame inductee 2019
Milos
Galecic
MC, CSCS, Director of Fitness
Milos is responsible for the physical fitness and prophylaxis of our top professionals. He also works intensively with the young professionals and competitive perspective players.
His many years of tour experience at the absolute top of the men’s and women’s game and his international successes make him a very valuable coach next to the tennis court. We are very proud to have him on our team!
Milos Galecic is a strength and conditioning coach from Belgrade, Serbia.
He completed his Masters of Science in Exercise Physiology and Sports Medicine at Western Michigan University.
He is a certified strength and conditioning specialist (CSCS) sine 2006.
Milos started his career at Western Michigan university as a division 1 strength and conditioning coach.
His projects included Somdev Devvarman, Treat Huey, Dominic Inglot, Rajeev Ram, Aleksandra Wozniak, Dusan Lajovic and Petra Martic.
He was most recently the strength and conditioning consultant at the Alexander Waske Tennis University.
Oliver
Lange
National Performance Coach
Olli is responsible for the development of our young professionals, for the competitive young players as well as for our players in the young starter area.
His quality and many years of experience is an important building block for our coaching team, as he has already worked in all age groups with success.
Sascha Nensel:
“I appreciate Olli’s open nature and his unconditional enthusiasm for our sport.”
State champion and North German runner-up in singles
Former 2. Bundesliga player
A-trainer with experience in professional, international tennis
6 years trainer at Hofsäss College in Marbella
3 years head coach Hannover district
9 years trainer at the federal base north
Successes as a trainer
1986-1992 several successes in ITF and WTA tournaments ladies
1992 US Open quarterfinals with A. Voina
2007 Nina Wellnitz, German Champion U14
2008 Nina Wellnitz, German runner-up
2009 Sonja Larsen, German runner-up
2012 Sonja Larsen, German champion singles and doubles
2012 Katharina Lehnert, Winner ITF 10.000 Braunschweig
2014 Vinja Lehmann, German runner-up
2015 Vinja Lehmann, German runner-up
2015 Katharina Lehnert, Winner ITF 10.000 Sharm El Sheikh, Engis, Sharm El Sheikh
2015 Katharina Lehnert, Watergames Singapore, Bronze Medal Single, Silver Medal Team & Double
Goran
Tufekcic
Junior Headcoach
Goran is mainly responsible for the development of our Young Starters and coaches our Young Professionals at international tournaments. In addition, he acts as a mentor for our junior coaches. Everyone benefits from his enthusiasm for tennis!
Goran is a young, strong playing coach who was one of the absolute best internationally in his youth career, especially at TE.
Participation in numerous ITF Future tournaments abroad has given him the opportunity to gain a lot of experience in the international arena.
The positive and combative “mindset” in the field of play that Goran brings with him can be credibly conveyed to our young players through his own gaming experience and optimally built up with them.
Samantha
Brdys
Juniorcoach
Samy is responsible for the physical fitness of our Young Starters and the smooth running of the boarding school. As a strong trainer, she also supports units on the tennis court. Everyone loves her incredibly positive energy!
Ex-player of the nensel academy
Mainly responsible for the fitness sessions of the Young Starters. In addition, she supports Milos in working with the young professionals and competitive perspective players.
Since she herself played tennis at a high level for many years, she also likes to give one or the other training session on the tennis court.
Milos and Olli accompany Samy every day in her work, instruct her and look over her shoulder, thus guaranteeing high quality in all training sessions.
Last but not least, she is the first point of contact for the boarders. She is available if there are any problems or questions and is always happy to help.
Due to her versatility, Samy is an important part of the Academy team!
Michal
Osomanski
Juniorcoach
Michal primarily provides training for our Young Starters. He develops our younger players in particular tactically and playfully. Everyone benefits from his own experience as a successful tennis player!
Michal is a young coach with a lot of his own playing experience, which he gained during his successful youth career (several winner of the Polish Championships and numerous TE and ITF tournaments).
Due to his young age, Michal is close to the players who benefit from his patient and calm nature.
Michal has been working as a tennis coach since he was 18 and is currently studying economics at the University of Wroclaw.
Ricardo
Gelbke
Juniorcoach
Ricardo trains players at all levels, from Young Starters to professionals. His hunger for success and his incredible energy on the tennis court make him a coach that everyone enjoys training with.
Many experiences as a coach at German youth championships, numerous ITF junior tournaments, and ITF Futures events
October 2019 to June 2020: Coach at the Hofsaess Academy in Marbella
June 2020 to October 2022: Coach at DTV Hannover
Juli 2022 bis Oktober 2023: Coach bei der Hofsaess Academy in Marbella
Jeremy
Nensel
Juniorcoach
Jeremy primarily coaches our younger talents and focuses on tactical and playful development. Everyone benefits from his incredible energy on the tennis court!
Babolat is our training ball sponsor and outfitter for our coaches. All academy members receive special discounts.
Our Physio & Mentalcoach
Your physical is of elementary importance for your target of becoming a tennis professional. A physiotherapist active in competitive sports and an experienced mental coach are available for this.
Dorian Renz
Dorian is there to help you in emergencies. We will organize a timely appointment in one of his private practices in Isernhagen or Hannover.
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Achim Grube
Dorian
Renz
Physiotherapist
Dorian is there to help you in emergencies. We will organize a timely appointment in one of his private practices in Isernhagen or Hannover.
Physiotherapist, M.Sc. for musculoskeletal physiotherapy
Osteopathy according to Typaldos (FDM IC Certificate)
Manual therapy (OMT qualification)
OSB sporty physiotherapy
Professional Career
2006–2007 Physiotherapy Beate Renz in Wanzleben
2007–2010 Therapy Centre Langenhagen
2010–2015 Hannover Medical School
2011–2015 Technical Director of Physiotherapy at the Olympic Base in Lower Saxony
since 2015 Self-employed with two joint practices
Treated Julia Görges (Wimbledon 2012, Stuttgart 2013, Roland Garros 2013, and Roland Garros 2014) and additional top-level athletes from other sporting disciplines.
Achim
Grube
Mentalcoach
Studies: Diploma in Education with majors in Sociology, Psychology, Pedagogy and Adult Education
4 1/2-year advanced training as client-centered conversational psychotherapist HPG, trauma therapist, HPG and teaching supervisor (Leibniz University Hannover)
Specialized in the release of performance blockages
40 years with the police of the state of Lower Saxony
15 years of mental training for special police forces
Mental training with athletes from judo, swimming, soccer, golf and tennis
Trust is a crucial building block for long-term, successful collaboration!
The team
behind the team
Passion is the key to success! Behind every success is a strong team! By providing the ideal condition, we seek to empower every talent to fulfil their dream: to become professionals! Values such as trust, reliability, patience and dedication are always our top priorities.
Stephanie Riedel
Stephanie Benkendorf
Lena Riedel
Lena is mainly responsible for our social media presence and supports different levels in the further development of the company.
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Stephanie
Riedel
Executive Partner
Sport Career
First experience in hockey and tennis
1984–1990 Women’s Hockey Bundesliga (HC Hannover)
1990–1997 Hockey Regionalliga (HC Hannover) and Oberliga (DTV Hannover)
Career
1988 University entrance qualifications
1988–1990 Work for various companies
1990-1992 Qualification as media designer
1992-1997 Self-employment: foundation of the advertising agency mac2 Graphics GbR
1997 Foundation of SR Riedel GbR
2015 Foundation of the nensel academy Nensel-Riedel GbR with Sascha Nensel
Stephanie
Benkendorf
Digital Media Design
Qualified media designer for digital and print media, specialised in design and technology.
Has been working in the areas of print and digital media for small and large companies from a wide range of sectors for 15 years.
Lena
Riedel
Social Media
Lena is mainly responsible for our social media presence and supports different levels in the further development of the company.
Lena has a master’s degree in organization, governance, education and primarily deals with the further development of personnel, teams and organizations at a leading insurance company.
Above all, we benefit from their creativity and diverse expertise in the areas of organizational development, texting, content production and social media.
Areas
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