Master Trainers

Gymstick education has been developing over the past 8 years and now offers four educations for sports, fitness and health professionals that demonstrate the unique exercise potential that the Gymstick Original and Gymstick Aqua tools can offer.

To ensure a successful launch of Gymstick in every country, education is a key part of the process. This education is delivered by Master Trainers that completely understand and appreciate this tool and have had several years of experience with delivering both presentations and Gymstick workouts.

As Gymstick is still a relatively new product, and the education for Master Trainers had its inaugural launch in early 2011, Gymstick International recommends that education to be initially conducted by our International Gymstick Master Trainers.

These trainers have extensive presenting skills and experience in Gymstick as well as other areas within the fitness industry.

The International Master Trainers are:

  • Sanna Kasurinen
  • Marietta Mehanni


Sanna Kasurinen

  • Degree in Physical Education

  • Degree in Nutrition and Diatetics

  • Personal Trainer

  • Gymstick International Master Trainer 

  • Video presenter

  • ChiBall Trainer 

  • Lecturer and presenter

  • International Judge

With over 20 year’s experience, Sanna has established herself as one of Finland’s most highly respected and sought after Fitness presenters. After graduating from the Finnish Sports Institute, Sanna went on to complete qualifications in a multitude of disciplines including Aqua, Chiball, Climbing, Boxing, Step and a number of other instructor educations. Specialising in Dietetics and Nutrition, Sanna has published books, presented lectures and was featured as a guest expert for ABC television on the topic.

Sanna now travels all over the world to establish, deliver and develop Gymstick Education in her role as International Master Trainer.


Marietta Mehanni 

  • Gymstick Education Coordinator

  • International Gymstick Master Trainer

  • Workshop presenter and educator

  • Australian Fitness Network Ambassador 

  • Pelvic Floor First Ambassador

Marietta Mehanni is an award winning Australian presenter (Author of the Year 2007, Aqua Exercise Leader of the Year 2003) and Australian Fitness Network Ambassador with over 24 years of teaching experience in both land and water based group exercise. 

As World Master Trainer for Gymstick International and Education Coordinator Marietta is responsible for the development of Gymstick education worldwide. Her role includes developing new education in emerging markets, launching Gymstick programming internationally and organising the annual master training and update conferences.



Gymstick Australia Master Trainers

Fiona White

  • Principal Physiotherapist

  • Gymstick International Older Adults Specialist

  • Fitness Instructor / Personal Trainer

Fiona White is a qualified Physiotherapist with a long career focussed on assisting people repair, retrain and return to their own bodies' optimal abilities. Having worked as a clinical Pilates instructor, Personal Trainer, aerobics instructor and as a Physiotherapist in both private practices and hospitals, Fiona has treated a wide variety of clientele with diverse needs and injuries.





Christine Naysmith

  • Post Grad Degree in Education

  • Fitness Instructor / Personal Trainer

  • Gymstick Master Trainer

  • Aqua Fitness Presenter

Christine not only changed career from teaching High School Drama, but also moved from Scotland to start a new life and fitness career in Australia in 2010. Her background in education combined with a passion for fitness has helped her to become a highly sought after instructor who was also a finalist in the YMCA Victoria excellence in group exercise award. Christine presents for WETS (Water Exercise Training Service) training aqua instructors across Australia and plays a key role with mishfit franchising.

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