Personal Trainer Hertfordshire

Dean Colby

Advanced Personal Trainer 

Contact Details


After enjoying a number of sports over many years, I found myself with an injury which reduced my fitness levels. I then decided to make a change, and by noticing how I was able to motivate myself I decided I could do the same for others. This is what prompted me to qualify as a PT.


Level 2 fitness instructor
Level 3 personal trainer
TRX instructor
First aid


Fat loss
Performance coach
Overall health and wellness
Muscle gain


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Personal Trainer Overview

I know how difficult it can be to stay motivated when a goal seems impossible. That’s why my training style focuses on making workouts enjoyable and a positive experience, to help maintain a healthy routine and supplement your life.


I have been training with Dean for almost 3 years now, both PT sessions and 2x weekly Boot Camp. He is a great trainer and has helped me achieve many goals like running my first 5k. In general it has made me feel better about myself and I am definitely more fit that I have ever been. His sessions are fun, but really hard, he really makes you work for it.

Had fitness training with Dean for the past 6 months. He works you hard but achieved great results and lost weight. Would recommend.

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