John Campbell has been practising yoga at Esther Myers Yoga Studio for over 35 years and is a graduate of the EMYS Teacher Training Programme. He has studied meditation with Richard Miller and Joan Ruvinsky, attending many meditation retreats with them, and has completed Levels I and II of the Integrative Restoration Institute iRest Yoga Nidra training. John has also practised martial arts since his university days (karate, Chen, Yang and Wu style tai chi and Systema). When not doing yoga or martial arts, John practises law in Toronto.