Present he is director of Dr Wichai clinic, Previous head of the Department of Dermatology at Saint Louis Hospital, Bangkok. 1993 Diploma in Internal Medicine (London),1994 Diploma in Dermatology (London), 1994 – 1995 Fellow in Dermatology (St. John’s Institute of Dermatology and Hammersmith Hospital, London), 1997 – 1999 Clinical Fellow in Dermatology(Harvard), 1998 – 1999 Research Fellow in Laser and Photo medicine (Wellman's Laboratory of Photomedicine)