Yusef was taught acupuncture and herbal medicine in the Traditional Chinese Medicine system by Paul Brecher BA FAcS TCM, Principal of The College of Chinese Medicine in London. Paul Brecher was taught by Paul Robin FAcS MPCHM MCAA, Head of the College of Chinese Medicine and TCM faculty Chairman of the Acupuncture Society. Paul Robin was trained by Dr Bernard Kai Lam Lee. Dr Lee was trained by his grandfather, Fook Sang.