Personal Trainers

With an extensive education background, Sacha is passionate about delivering clients practical methods for attaining their health and fitness goals, particularly through strength training. She also has an interest in women’s health.
“I joined the gym in my early 40s after raising three children, knowing I needed to move my body more. With an experienced trainer the progress I achieved was exponential, rewarding and satisfying…it was an investment I made in myself”.
“Now in my role as a trainer, there’s nothing better than seeing my clients grow in confidence as they learn about their body’s capabilities...it’s endless!”.
Get in touch with Sacha to see how she can support you on your fitness journey this year.

Reinhardt is a qualified personal trainer with over 20 years of training experience.
As a retired competive bodybuilder, he knows his way around the weights room and the
commitment and effort it takes to get results.
After many years of focusing on his own development, he is looking forward to helping
others on their journey to reach their fitness goals.
His tyle is not as a drill sergeant, but more one for supporting good technique instruction
and designing long term programs to achieve results.
If you have been training for some time or you're just starting out on your journey he can help educate you on how
to get results.
Whether it's getting stronger, getting in shape or building good fitness habits, get in touch to start discussing your
goals now.

Emma has been a fitness instructor coach at Northern Arena since 2018 and a Personal Trainer at Northern Arena since 2020. She has a passion for helping others achieve their physical goals, and seeing the effects on their confidence. If you want to improve your strength and fitness, lose weight and tone up, or just want someone to keep your training fun and interesting get in touch with Emma.

As a competitive athlete, husband, father and business person, Mark knows the importance of balancing the intensity and effort of training, with work, rest and play.

Mark has been involved in the fitness industry since the early nineties and has not only worked with a number of National, International and Olympic athletes, but he’s worked with Men, Women, Teens and Children and helped them set, and achieve, the goals that are important to them. With incredible success stories in life coaching, weight loss, bodybuilding and a number of sports including rugby, hockey, Mark truly is able to train any client, towards any goal – and make it fun too.

What does Mark get out of it and why does he love his job? Well, quite simply, the reward of seeing clients progress towards a fitter, healthier lifestyle. “Any day I see that is a good day.”

Whatever your goals may be, my goal is to get you there and make a positive change in your life.

Since qualifying as a Personal Trainer in 2014, James' motivation for guiding people to reach their fitness goals has never been higher.

"Being a Box-Fit instructor at Northern Arena, I have seen firsthand that if you train hard and put every ounce of energy into each workout, you are destined for success."

Hit a brick wall? Not getting the results you want? Bored of the same old routine? Is your effort not matching the results?

Speak to Arek and get the advice you deserve and the results you crave! No-nonsense, fun and enjoyable training designed specifically to achieve YOUR desired results! Arek has a proven track record with dozens of satisfied clients both here in NZ and internationally. Stop talking and start walking. ​

Arek has been working in the industry since 2006 as a Personal Trainer in New Zealand and the UK, including 1-2-1, group training and group fitness instruction. He is qualifications include: