Our Coaches

Meet our team of professional coaches

Our team of professionals bring experience and knowledge from various fields to ensure a holistic approach is taken to improve your health and fitness.


Luke McCracken

Sport and Exercise Scientist, Head Coach

Luke is Mr. Movement. He is passionate about helping you learn and continue correct movement patterns that will aid you in living a longer and better life. He utilizes his experience as a teacher and coaching sports teams to ensure you are getting the most out of every class.


CrossFit Level 1 Trainer

Bachelor of Sport and Exercise Science

Graduate Diploma in Secondary Education (Major in Health and Physical Education, Minor in Science)


Keith Dell

Physiotherapist, Coach

Keith is our mechanic, he keeps our bodies firing at their best and gets us back to operating at full capacity if there is something wrong. He is our in house physiotherapist with many years of experience in the industry. Keith brings his extensive knowledge of the body to his coaching. He is an incredibly modest man who will give anyone his time.


CrossFit Level 1 Trainer

Bachelor of Physiotherapy

Graduate Certificate of Sports Physiotherapy

Masters of Sports Physiotherapy

Sports massage


Kellie Walker


Kellie brings a wealth of exercise and nutrition knowledge to the Ariston team. Kellie’s warm personality and caring nature will make you feel extremely welcome from the first time you meet. Combine all of this with a top notch work ethic and discipline towards her health Kel is inspirational for all at Ariston.


Group Exercise Leader Certificate
Cert 3 & 4 in Fitness
CrossFit Level 1 Trainer


Matthew Walker

Dietitian, Coach

Matt is the man to talk all things food with. Our food ninja will help you with personalised meal plans, consults and along with Kellie he writes the recipes for our blog. Matt has a give anything a go attitude and loves a challenge. He is a great guy you can approach any time to ask about training or nutrition.


Bachelor of Applied Science
Masters of Nutrition & Dietetics
Graduate Diploma in Diabetes Education
AIS Sports Nutrition Course
CrossFit Level 1 Trainer

Member of the Dietitians Association of Australia and the Sports Dietitians Association

Accredited Practising Dietitian