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Oxygen Advantage Australia

Glenn Weinert

Glenn is a Sydney based Oxygen Advantage certified instructor. Through his business Functional Breathing™ Glenn offers training, workshops, presentations and masterclasses which teach and demonstrate the Oxygen Advantage™ method.

Glenn firmly believes that breath education and a basic understanding of metrics are critical to optimising wellness. He shows his clients how slight intentional modifications to their breathing can and does have significant impacts on their health, stress levels and general wellbeing.

As a child Glenn was hospitalised many times due to chronic asthma. His obsession with the importance of breathing has led him to run several marathons, become a certified free diver and pursue education in the benefits of many breathing modalities.

Glenn works with elite level athletes, businesses and “normal” people who are seeking to improve their athletic performance and overall health.

If you would like to work with Glenn to improve your health or performance then please make contact.

Mark Williams
Sunshine Coast

Mark has represented Australia in Free diving, has 15 years experience teaching Hatha yoga, and has practised meditation for 10 years.

Mark is passionate about breathing, breath holding and how this relates to high states of human function and potential. Mark is a Buteyko and Oxygen Advantage practitioner and loves teaching others how to exceed their health and athletic potential.lliams, Oxygen Advantage Instructor Australia

Julien Billaut
Penrith, NSW

Julien works with Australian Canoeing and the New South Wales Institute of Sport as a Canoe Slalom High Performance Coach towards Tokyo 2020.

He certified as an Oxygen Advantage® Instructor in Sydney in 2017.

Mastering one of the most powerful mechanisms in our body can have a tremendous impact on both well being and performance. Because we breathe 24/7, breath training is potentially endless. I have been looking for a technique that could effortlessly trigger diaphragmatic breathing to improve the mind/ body connection. Thanks to the Oxygen Advantage, I have discovered that nose breathing and breath holds could also enhance the fitness level of my athletes through simulation of altitude training. Moving towards the 2020 Olympic Games in Tokyo, we have now integrated the Oxygen advantage breathing techniques into our daily training and recovery.

Julien’s coaching approach is to lead the people he works with by guiding them towards their strengths, step by step. He enjoys helping athletes grow to their full potential, allowing space for creativity and innovation. Neuroscience, breathing, behavioural psychology, optimism, creativity are a few of the fields that he love to explore and integrate into his coaching.



Nicholas Mendoza-Jones, Bondi

Based in Bondi, Nic runs one of Australia’s leading strength and functional training studios, AGOGA. Having worked in corporate law for 10 years, Nic made the switch to the health and fitness industry, and today works with clients ranging from ironmen athletes and spearfishers, to corporate groups and weekend warriors.

Having experienced the physical and mental benefits of integrating Oxygen Advantage® breathwork into his own everyday life and training, Nic now teaches this proven breathing method to not only meet (and exceed!) clients’ fitness goals, but to also optimise their overall health, lifestyle and mindset.

By sharing the ancient wisdom and modern science that inform the practical applications of the Oxygen Advantage® methodology, Nic’s primary focus for his clients is to restore functional breathing, improve sleep and mindfulness, enhance productivity and assist stress management. These benefits can then be complemented with Nic’s advanced breathwork training to support elite sports and fitness performance.

Nic is a lululemon Ambassador and holds a Bachelor of Science (Anatomy Major) UNSW, in addition to multiple strength and conditioning qualifications including StrongFirst SFG1; Rik Brown Steel Mace Certification; Certificate III and IV in Fitness from the Australian Institute of Personal Trainers; Level 2 Certified AIK Kettlebell Instructor; and certified BLACKROLL trainer.