I have been doing hatha yoga for about 2 years and had many different teachers in that time in a number of different scenarios. Lex has the perfect mix of knowledge and experience combined with a lightness of approach that kept the classes enjoyable rather than intimidating.
His calm voice and superb communication skills mean that I have learnt a huge amount and challenged my body far more than I have felt comfortable to do before.
His knowledge and individual direction of the practicalities of posture for all individuals in the group who varied in age, ability, body type and experience, combined with a thorough understanding of human physiology and an ability to explain and answer simply any question that arose in the course of the practise was superb. It made us all feel that we were in good hands and gave members of the class the confidence to attempt positions that they had never tried before (in my own case under Lex's direction, I managed an unsupported headstand on the fourth day which is not something I ever imagined I'd be able to do!)