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Category:  Total Gym®  >  Total Gym Commercial  >  GRAVITY® Education  >  GRAVITY Master Trainers

 A GRAVITYMasterTrainer has met the following criteria: 

  • Successfully completed GRAVITY Instructor courses specific to the discipline they are presenting.
  • Has met the requisite criteria of REPs (NZ) or Fitness Australia or equivalent as a presenter.
  • Has attended and successfully completed a GRAVITY Symposium, specific to the discipline they wish to teach.
  • Is currently using Total Gym on a regular basis with clients in personal training, group, Pilates, or Post-rehab format.
GRAVITYMasterTrainers present the following Instructor Courses:
  • GRAVITYFoundation Course (2 days)
  • GRAVITYPilates Reformat Evolved Certification (1 day)
  • GRAVITYPost-rehab Certification (2 days)
  • GRAVITY Quarterly Release Workshops (3 hours)
Are you interested in becoming a Master Trainer?

Contact if you are interested in becoming a Master Trainer.

Meet the current GRAVITYMasterTrainer team for the South Pacific...

Sandy Leo - GRAVITY Elite Master Trainer

MasterTrainer for GRAVITYFoundation CourseGRAVITYPilates, GRAVITYPost-rehab

Sandy Leo is an International Fitness Presenter & Trainer, passionate about empowering optimum performance and leadership in the wellness and fitness industry. A functional fitness and wellness coach, Sandy owns an exclusive private/semi-private GRAVITY training business and rehab clinic in Albany, NZ, also applying CHEK principles. GRAVITATE Health & Fitness is also a GRAVITY Training venue. Sandy, mother of three, has 28 years experience in the fitness industry. A former Les Mills Presenter/Choreographer, instructor of 4 Body Training programmes, and prior Les Mills group fitness coordinator and program developer. Sandy’s clients include CEOs, executives, physios, athletes of all ages and Medical Doctors who have attributed total rehabilitation for post hip, shoulder and knee surgery alongside weight loss and general wellbeing, from her unique approach to wellness. Follow GRAVITATE Health & Fitness Ltd on Facebook.


Marena Digby - GRAVITY  Master Trainer

MasterTrainer for GRAVITYPilates

Marena is passionate about all aspects of health and fitness. Apart from her expertise in the area of fitness for the mind and body she is also a Remedial Massage Therapist. Marena is a co-founder of the Positive Action - Global Training Systems which are accredited with Fitness Australia and have trained Pilates instructors for the fitness industry throughout Australia for the past 3 years. She is also one of 3 authors of a book on Pilates for fitness instructors and practitioners (chiropractors, physiotherapists, etc.) that is being published in Japan. Marena and her husband Chris run Positive Action Health & Fitness in Carnegie, Melbourne, which is one of HQH's GRAVITY Training venues. They have 4 GTS Units and offer GRAVITY Pilates Training sessions as well as one on one sessions. Follow Positive Action Pilates on Facebook, or visit The Positive Action Website.


Kerry Johnson - GRAVITY  Master Trainer

MasterTrainer for GRAVITYFoundation Course

With over fifteen years experience in the fitness industry. Kerry has worked in a wide range of fitness and leisure centres in the UK and New Zealand, including Fitness First, Configure Express, Contours,  Council run Leisure Centres and Corporate Leisure companies.   With experience of being a Personal Trainer, Group Fitness instructor, Studio Co-ordinator and Club Management - Kerry is a passionate, energetic presenter.  She enjoys seeing how the ‘fitness experience’ is evolving and improving health and fitness for all. Kerry teaches group fitness, GRAVITY Programmes and pilates on the North Shore & on the Hibiscus Coast plus runs her own PT business from her home studio and In Shape Studio in Whangaparaoa.  She also currently works for HQH Fitness and her role involves providing business solutions for people interested in setting up a new functional fitness studio or gym. She is also a Master Trainer in multiple fitness systems and runs workshops & courses through HQH Fitness.


Dean Quirke - GRAVITY  Master Trainer

MasterTrainer for GRAVITYFoundation Course

Dean is Originally from the UK and has spent the last 13 years after leaving the British Forces working within the health and wellness industry. Dean has held a number of positions including health club management, PT manager and senior health and fitness coordinator before deciding to open his own Gravity functional training studio in Mosman,

His passions lie within Movement and Rehabilitation which has led me on an incredible journey of self-discovery and education. Having sought out some of the foreword thinkers and innovative educators of our time, Dean have discovered that there is a great requirement to be open minded and adaptable in order to be successful with in this field. He has been involved with Total Gym for the last six years after discovery the benefits from a functional perspective, on how far superior the total gym is to anything else out there on the market.


Chris Chua- GRAVITY  Master Trainer

MasterTrainer for GRAVITYFoundation Course

Christopher  Chua is the founder and owner of Pilates Body Pilot, a health and fitness studio that promotes a healthier lifestyle and improved fitness with Pilates and now, Total Gym’s GRAVITY programmes, as its core form of exercise. Since the studio’s inception in 2000, Chris has been working actively as a Holistic Lifestyle and Fitness Coach to customise programmes to his clients’ needs and enhance their overall well-being.


Josh Smith - GRAVITY  Master Trainer

MasterTrainer for GRAVITYFoundation Course

Vibrant, out-going and with an insatiable thirst for knowledge, Josh’s seven years in the industry have seen him grow from a club PT into a sought-after presenter both locally and on the national stage. With a keen interest in functional human movement and nutrition, Josh began integrating the Total Gym systems into his training regimes after undertaking the Total Gym Foundation Course in early 2009.

Since then, his three units have been integrated into myriad training programs for clients from a wide range of backgrounds – from rehabilitation to athletic development – to great acclaim.

Josh is the owner and director of Mitise Health, an Adelaide-based company focused on bridging the gap between traditional ‘rehabilitation’ and ‘athletic development’ and can be contacted at


John Pemberton - GRAVITY  Master Trainer

MasterTrainer for GRAVITYFoundation Course

With a background in performance and dance, John has been involved in the fitness industry for over 20 years with the last 6 focused on building his unique Boutique Gym "The Workshop" in Birkenhead.
John works with a varied client base including tri-athletes and professional ballet dancers.  As a Master Trainer for Total Gym and functional fitness equipment, he is passionate about the importance of functional training, core strength and stability -  whether it be for the committed athlete or for those that just want to improve their health and well-being. 

John is the owner and director of The Workshop Gym , an Auckland ( Birkenhead ) based gym  that offers Personal Training,  Team Training Programmes or Group Fitness Classes. With Spin, Boxing, Stretch, Yoga, Gravity and Circuit Training available. John can be contacted at


Daniel Sela - GRAVITY  Master Trainer

MasterTrainer for GRAVITYFoundation Course

Daniel is an Exercise Specialist and Holistic Lifestyle Coach. Originally from Germany he graduated from the German Sports University in Cologne in 2001 with a major in Preventive and Rehabilitative Exercise Prescription and has worked in the health and fitness industry in Germany and New Zealand since 2000. After working in rehabilitation facilities and gyms in Germany Daniel moved to New Zealand in 2006. He worked over four years as a Personal Trainer at Les Mills before opening up his own Gravity Training System / Total Gym based Personal Training and Small Group Training Studio Vitalis health & fitness ( in Dunedin.

Daniel is passionate about rehabilitation and functional training for all ages with a client base spanning from children to the mid-80s as well as Holistic Lifestyle Coaching. His thirst for knowledge in rehabilitation made Daniel enrol at the University of Otago in 2013 to follow his dream to add a Bachelor of Physiotherapy to his large range of qualifications. Daniel has presented for HQH and on his own behalf at the National Fitness Conference in Auckland and has been a Personal Trainer of the year finalist in 2011.

Daniel has been involved with Total Gym and HQH since 2010 and believes that the Gravity Training System is the strongest and most versatile tool in fitness and rehabilitation.






AU 1800 552 878
NZ 0800 552 8789

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