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About Us - Tennis Trainers

Nathan and Giselle Martin have been at the forefront of worldwide, tennis fitness innovation and tennis fitness training for the past 20 years. They have helped players of all levels – from Wimbledon champions to social hitters and school kids – reach their potential through improved physical performance, injury reduction and ongoing education. The ‘Martin Method’, a brand name in the world of tennis fitness trainers, takes the experience and knowledge gleaned from working with athletes like Lleyton Hewitt, Sam Stosur, Martina Navratilova, Jennifer Capriati, Svetlana Kuznetsova and Monica Seles and applies it to all players of all standards. It’s a complete tennis fitness program, stretching from warm up and cool down routines to speed, agility, power, tennis footwork and much more. Nathan and Giselle have trained five world number one players and are based in Bondi, Sydney.


Nathan Martin - Strength and Conditioning Trainer

Nathan has worked on the ATP and WTA circuits since 1999, including a spell as head tennis trainer at the renowned Sanchez Casal tennis academy in Barcelona.

He works currently with Lleyton Hewitt while developing new programs to take tennis fitness forward and empower the next young group of players coming through.

Giselle Martin - Strength and Conditioning Trainer

Giselle has worked on the WTA circuit since 1999, guiding Arantxa Sanchez, Martina Navratilova, Sam Stosur and Casey Dellacqua.

Giselle was part of the 2000 Sydney Olympic medical team, working with competing athletes. She has lectured in health education at numerous international schools and academies.


Dylan - Strength and Conditioning Trainer

Dylan is currently a semi professional rugby league player who has a passion for Strength and Conditioning along with mentoring and developing young athletes on and off the court.With Dylan’s years of experience as an athlete he knows what it takes to compete at the highest level with hard work, discipline,consistency and professionalism.

Carlos Cuadrado - Tennis Coach

Carlos is a world renown tennis coach and a member of the Tennis Fitness Team. A former Spanish professional tennis player, winner of Roland Garros Juniors, reached highest ATP ranking 222. Transitioned to a highly skilled tennis coach with a proven track record in developing tennis players at elite levels both nationally and internationally. Coached WTA Top 10 players - Svetlana Kutznetsova, Daniela Hantuchova, Anastasia Pavlyuchenkova.


Aaron Zimmerman - Strength and Conditioning Coach

Aaron is a world renown Strength and Conditioning Coach and a valuable member of the Tennis Fitness Team. Aaron was born in NZ, starting working at the Australia Rugby Union and then at the Cronulla Sharks, and more recently been appointed full-time as a Strength and Conditioning Coach at West Tigers (rugby league) for the last 3 years. Aaron brings a wealth of knowledge both in the Private and Professional setting and has a passion for helping other coaches taking their skillset to the next level.

Lynsey Koch - Nutritionist

Lynsey Koch (BSc.Env.Sci/Nutr Grad.Dip Edu) is a fully qualified Nutritionist that lives on the Sunshine Coast, QLD. Originally from Hawaii, she loves surfing, training and holistic health. She is a biochemist at heart, always striving to educate clients as to how their anatomy and biochemistry works and how nutrition is truly the foundation of long term health. She specialises in digestive and immune health along with many other modalities including autoimmune management, anxiety and children's health. Through her clinic she is able to provide a range of diagnostic testing ranging from Blood Serum Biomarkers, Genetic Testing, DUTCH hormone tests, Hair Mineral Analysis, Allergy Testing and Microbiome Mapping.

She works not only one on one with clients, but also does skype consults and gives educational seminars across the coast and on online platforms. You can find her on social media (FB and Instagram) under Seed & Sprout Nutrition or you can book online here