Meet Your Coaches

Meet Your Expert Coaches

Our team of qualified fitness professionals specialise in personal training, group training, mixed martial arts, calisthenics, and more.

Sam Merza

QLD – National Fitness Manager

Brief history/ experience: I started out training in Boxing and Mixed Martial Arts and after competing for several years in Asia I moved to Australia where I have spent over 5years as a Personal Trainer. I am now lucky enough to help support and educate our amazing team of fitness professionals across Australia and develop future programs for our fantastic members.

Favourite Workout (on HFN): Results and CZ Afterburn

Interesting fact about me: I went spear fishing when I was 14 and it turned me vegetarian for 6 years.

“Everyone is unique, train in a way that works best for you”
#energetic. #fun

Andrew Ng

WA – State Fitness Manager

Brief history/ experience: I have always had a passion for fitness, growing up playing sports and martial arts. Studied Sports Science and Leisure Management and have been working in the fitness and leisure industry for 28 years in a variety of roles including PT, Coaching. Training, Management and Presenting.

Favourite Workout (on HFN): Coaching Zone Afterburn of course

Inspiring Action Through Fitness
#Fun, #energetic

Esther Castro

VIC - Group Fitness Instructor

Brief history/experience: Music and dancing are part of my culture and Zumba allows me to integrate fitness into my passion which makes my class very enjoyable. The best part of being a Zumba instructor is to see the satisfaction on everyone’s faces.  I have been teaching the most successful dance and fitness program around the world for 9 Years.

Favourite Workout (on HFN): Zumba

Interesting facts about me: I enjoy travelling as there is constant learning while you get to know about new cultures, new customs, new music and different lifestyles.

#Fun, #energetic

Kate Groube

VIC - Regional Fitness Manager

Brief history/ experience: Over the past 25 years in fitness I’ve been lucky enough to work in many, many roles, including, group ex instructor, PT, coach, club manager and regional manager. My favourite thing is still to deliver great fitness and fun to our members!!

Favourite Workout (on HFN): I actually don’t have a favourite, I do love variety, and meeting lots of different members, all with unique goals.

Interesting fact about me: I love music, it’s a huge part of my motivation during training, but unfortunately, I’m not a great singing

Find the exercise you love to do! If you enjoy what you do, you will continue to do it…and the results will surely follow

Anna Drackford

VIC - Group Fitness Coordinator

Brief history/ experience 

: Group Fitness instructor of 32 years

: National Group Fitness Manager for Genesis for 17 years

: Currently Group Fitness Coordinator for Genesis Ringwood and Wantirna

: teach freestyle classes and Les Mills Body Pump, CX, Tone and love them all !

Favourite Workout (on HFN):  Tabata on Sunday mornings

Interesting fact about me:   I love being around people so this current lockdown is killing me !

Unless you test yourself you stagnate. Unless you try to go way beyond what you’ve been able to do before, you won’t develop and grow. When you go for it 100% when you don’t have that fear of what if I fail, that’s when you learn. That’s when you’re really living! 

Saverina (Sav) Colosimo

VIC - Group Fitness Coordinator

Brief history/ experience: I have been teaching group fitness from the aerobics days back in the 80’s. I am trained in nearly all the Les Mills Programs, but love teaching freestyle.

Favourite Workout (on HFN): Body Blitz

Interesting fact about me: I started teaching aerobics when I was 14 years old!

‘Believe in yourself and you will be unstoppable’

Trish Kam DeViSha

VIC - Yoga Instructor

Brief history/ experience: I have been practicing yoga since 2001, did my first teacher training in 2011 and have been teaching regularly since then. I also have a background in dance, Qigong, Taichi martial arts & circus skills, so love movement as art & expression and love the holistic outlook of yoga as a movement modality & philosophy that brings everything together.

Interesting fact about me: I am also an artist, actor, filmmaker & presenter & have made several extremely gory short horror and action fantasy films that contrast the relaxed zen yogic side of my life haha.

There are many paths up the mountain, find the one that brings you the most joy <3

A Team of Expert Coaches

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