The Trainers



Nick Tetoros was a Professional Boxer and Kickboxer for 11 years in which he held several titles and belts, including World Kickboxing Champion 1998 and WBO World Boxing Organization ranked #8 in 2003.

He has lived in Australia, and New Zealand, where he had the chance to compete as an amateur and professional in boxing and kickboxing.  He represented Australia at the pre Olympic boxing trials in 1991.

Nick was a sparring partner of former world champion, Kostya Tszyu, in preparation for Kostya’s world title elimination fight.

Alongside boxing promoter Peter Maniatis, Nick co-founded the TVH KO Boxing Show on channel 31. and acted as a co-host. During that time he volunteered at the PCYC, helping train kids from all different backgrounds.

Nick retired from his pro fighting career in 2003 and went on training clients at various elite gyms in Melbourne.

Together with his wife Tonia, Nick opened up Fitness Ring Richmond in 2007.

Nick's specialty is boxing, kickboxing, and Muay Thai training.  With his extensive fighting background, Nick is passionate about teaching proper technique to everyone from beginners to fighters preparing for a bout. He will teach you everything you need to know about boxing. A fully qualified Personal Trainer, Nick has a great personality and offers a very fun, motivational and positive atmosphere whilst training clients.

Nick's qualifications include Certificate 3/4, First Aid, CPR, Boxing for PT's Level 2, TRX Group Suspension Training Level 1.

For all bookings related to personal/semi private training, please contact Tonia.




Tonia has a background in the weight loss industry on both sides of the Pacific, where she worked on personal and corporate excellence at the highest levels of one of the world’s leading companies in the field. Plus she has Life Coaching certifications from Christopher Howard Training, qualifications in Group Fitness Training, Eriksonian Hypnosis, and Neurological Linguistic Programming (NLP).

Tonia is the manager of sales and marketing, accounts, and group training.  She also conducts weight loss coaching as an addition to personal training to ensure clients get the results they desire. Her role is to ensure that every person who trains at Fitness Ring receives personalized and friendly service at all times. Tonia is available for free information consultations in person, on the phone, or via Skype. Contact Tonia today to get you started!


Luke has a strong sporting and health background and has always been active from a young age. As a junior, Luke competed in under 16 and under 18 National Basketball Grand Finals.
In the year 2000 Luke began training in Muay Thai Kickboxing. He has competed at novice level and has trained at the WMC camp in Koh Samui with the trainers from 'The Contender Asia' reality TV series, and more recently at Phuket Dragon Muay Thai.

In 2010 Luke completed his Certificate 3 & 4 at the Australian Fitness Academy where he was awarded Graduate of the Year. He is also a Thump Master Boxing Trainer, holds his Amateur boxing coaching qualification with Boxing Australia, as well as his Professional boxing coach license.

Luke's areas of specialty are boxing for technique and fitness, kickboxing fitness training, H.I.I.T, training for weight loss and general fitness, and helping clients build confidence in themselves and their abilities.  For all bookings related to personal/semi private training please contact us.



With a background in dance training and teaching, Caz’s love of Yoga began as a teenager. After suffering a debilitating back injury during a dance class, she found that Yoga could help her injury in ways traditional methods could not. She has since practiced in various styles such as Iyengar, Ashtanga, Vinyasa and Purna Yoga and has recently completed her 200-hour Yoga teaching certification with Byron Yoga School. Combining her love of Yoga, Boxing and Kickboxing (a hangover from her high kicking dancing days) Caz is in the process of completing her Certificate III in Fitness under the mentorship of head coach Nick Tetoros, to continue to teach and share what she loves - Yoga and Boxing.
Caz’s classes have a focus on combining the alignment and breath work of Yoga with the strength and focus required from Boxing to balance and extend both modalities. Caz has a keen interest in meditation, yogic philosophy, pre/post-natal yoga and yoga for trauma. Caz currently holds a certificate in CPR/First Aid and is a certified member of Yoga Alliance.
For all bookings related to personal/semi private training, please contact Tonia.




At Fitness Ring our aim is to provide affordable, cost effective alternative fitness choices that will see you achieve overall personal fitness goals and general well being.


Customer satisfaction is very important to us and we value all feedback and/or suggestions.  

Contact us and we will be in touch via email or phone (whatever you prefer) within the same business day.

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