persolog GB is a publisher of learning instruments which develops and sells scientifically reliable tools for practical use by trainers. persolog GB's core product is the persolog Personality Factor (DISC) Model. This model was developed by Dr. John G. Geier. It has already helped over 40 million people to overcome performance barriers and to optimise interpersonal relationships. persolog GB trains and certifies trainers, coaches, and HR consultants so that they interpret the persolog Personality Factor (DISC) Model with confidence and use the profile competently.Contact persolog GB to find out more about using the personality DISC profile which provides people with a 'language' to understand and explain their own and other's behaviour. '