2015 Body Transformations Save £255 -12 weeks -24 sessions -12 Training plans (for the days training outside OlsenFitness) - Nutritional pack - All for £345


I am a free lance Personal Trainer, based mainly in and around Cardiff, running most of my sessions at St Davids Hotel Marine Spa. I am passionate and enthusiastic about changing peoples lives for the better through exercise and nutrition. I previously obtained a Sport and Exercise Science degree after a three year course. I feel this gives me an edge to my training sessions as I can include the skills I have gained from subjects such as Physiology, Psychology, Nutrition and Biomechanics. I am part of a unique group of health and fitness professionals working as one team at "Glamorgan Physiotherapy Clinic" in Pencoed, where myself as rehabilitation trainer, physiotherapists, behavioural therapists, shockwave therapy specialists, sports massage services and an orthotics expert work together to bring injured individuals back to full fitness. I have also worked with numerous sports clubs as the Strength and Conditioning coach, currently working with Whitchurch Hockey club who compete at a National and European League level.


Email OlsenFitness

  • £35 / hr per session

  • Block of 10 = £30/session (£300)
  • Block of 20 = £25/session (£500)

Cardiff, South Wales

  • Fat Loss

  • Strength & Conditioning Coach

  • Injury Rehabilitation

  • Extreme Weight Loss

  • Nutrition

  • Body Transformations

  • Bsc Degree Sport & Exercise Science

  • Level 3 Personal Trainer

  • Nutriton

  • Exercise Psychology

  • Biomechanics

  • Physiology


I had a baby a year ago and been trying all different diets and training, i have lost baby weight but still havent toned my stomach to how i want it. Been training with Olsen Fitness now for few weeks and already seeing the difference i love it! Makes training sessions fun and always there to give advice when needed

Seanie Lacey

Working with olsen fitness enabled me to push myself physically and mentally to achieve my goals. Durning sessions kier tailored everything to my goals. I became 100% fitter and stronger with the ability to mentally carry on during physical challenges. Without the commitment and effort from kier I'd never have been able to do that. Recommend him 100%

Naomi Jones

Kier has taken over strength and conditioning at Whitchurch Hockey Club and it has been an excellent experience. Lots of fresh ideas specific to our needs. An easy person to work with and 100% professional. Highly recommended.

Dougie Young

Such a great personal trainer! I hurt my back a year ago and training with Kier has given me the confidence to get back into the gym! Kier is really approachable, friendly and knowledgeable. 100% recommend!

Rhian Davies

I've only been training with Olsen Fitness for a couple of months but in this short space of time my attitude towards fitness & healthy eating has been transformed! Kier's enthusiasm & inspirational attitude is a breath of fresh air to all PT I have used previously. His sound knowledge & application has motivated me to push on to achieve my long term physical goals whilst giving me a greater sense of confidence & mental toughness which has reflected in my Personal life. I would recommend Olsen Fitness to ANYONE!!

Rich Oliver

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