We believe that a healthy, strong body accompanies a healthy, strong mind. We achieve this through learning Martial Arts combined with Strength and Fitness Training, while joining together with a Team Mindset.We offer the chance for anybody to improve their life and find their ability to become physically, mentally and emotionally stronger for the world we live in.
Jon & Maddy Leven
CFS Combat Sports - TEAM LETHAL
CFS has been operating in the Sutherland Shire since 1999 and has grown to be one of the best equipped and well respected training centres in Australia. Our facility is owned and operated by one of Australia′s leading professional MMA fighters, Jon Leven. His experience and career as a pioneer in the sport has enabled him to become a professional instructor, respected role model and has an exceptional ability to teach a variety of students.
We are a combat sports training centre and gym facility. Specialising in Mixed Martials Arts, Brazilian Jiu Jitsu, Kickboxing/Muay Thai, Boxing, Wrestling, Sparring, Women′s Classes, Self Defence, Kids and Youth programs in BJJ, MMA and Kickboxing/Muay Thai. Our programs will enhance your performance, fitness abd confidence. Train your way with group classes, one on one sessions, small groups, customised programs performed at your own pace and suitable to your lifestyle.
All training is delivered under the personal guidance of experienced coaches and professional trainers who are passionate about helping every member achieve their best.
Meet Our Team
JON LEVEN
Owner of CFS, Personal Trainer and Strength/Conditioning Coach, Pro MMA Fighter with a lifetime of skills in Jin Wu Koon Shaolin Kung Fu, Brazilian Jiu Jitsu Black Belt, Kickboxing, Boxing, Muay Thai and Wrestling.
With decades of martial arts experience and a career that helped shape the Australian MMA scene, Jon brings a wealth of knowledge, discipline, and passion to every session. His approach blends technical skill, physical conditioning, and mental resilience, creating an environment where everyone — from beginners to competitors — can learn, grow, and achieve their goals.
Jon works alongside a dedicated team of qualified coaches and professional trainers who share his commitment to quality instruction and continuous improvement.
Together, they ensure every member receives personalised, results-driven training in a supportive and motivating community.
MADDY LEVEN
Owner of CFS and an Accredited Practising Dietitian dedicated to supporting personal growth at CFS.
She applies practical nutrition strategies to enhance training, recovery, and health. With a background in fitness and client care, Madeleine combines expertise and encouragement to help members develop lasting healthy behaviours and habits.
A dietitian, coach, trainer, and mother with 15 years of experience training with Jon, she holds ranks in Purple grade for Kickboxing/Muay Thai and a BJJ Blue Belt. She has a passion for helping people achieve their goals, being your biggest and loudest cheerleader.
AIDAN CANINI
Our resident Group and Personal Trainer is passionate about sharing his expertise and helping others unlock their potential.
As a trainer, Aidan combines his in-depth knowledge of strength training, biomechanics and performance optimisation to design programs tailored to his clients’ goals, whether they aim to build muscle, increase strength or improve overall fitness.
As an Australian strongman, he is known for impressive strength, athleticism, and dedication to the sport. Competing in national and international events.
We admired him for his disciplined training approach, engaging personality, and passion for inspiring others to pursue strength sports.