His passion for teaching and research led him to join the Faculty of Dentistry, here at University Malaya and he has since become a valuable senior lecturer and clinical specialist in the Department of Oral & Maxillofacial Clinical Sciences. He has been the module head of various integrated modules such as oral malignancy & potentially malignant disorders, tumours and tumour-like lesions of the jaws and undergraduate discipline coordinator for oral medicine and oral pathology. He has been a member of curriculum review for undergraduate and postgraduate programs in oral pathology and oral medicine at the Faculty of Dentistry, University of Malaya. He is also a trainer of the OralDetect which is a training and calibration program for early detection of oral cancer and oral potentially malignant disorders. He has successfully conducted OralDetect program in Malaysia, Indonesia, Cambodia, Nepal and India training undergraduate students, general dentist, postgraduate students and various specialist in dentistry. He is an adjunct faculty member in Faculty of Dentistry, University of Puthisastra, Phnom Penh, Cambodia, Tagore Dental College and Hospital, Sri Ramachandra University Dental College and Hospital and Sree Balaji Dental College and Hospital, Chennai, India. An ardent researcher, he has 54 papers in indexed international peer reviewed journals, with a h-index of 11. He is involved in numerous research projects and has supervised PhD, Masters and graduate research students for the past 10 years. He was awarded the outstanding researcher in Oral & Maxillofacial Pathology at the 3rd Venus International Healthcare Awards 2020 (VIHA, 2020) by the Venus International Foundation. He also received the Sijil Perkhidmatan Cemerlang (Certificate of Excellent Service) by University of Malaya in 2021. He is currently an active member of OCRCC, Malaysian Association for Orofacial Diseases and Asian Society of Oral & Maxillofacial Pathology. His research interest are oral cancer, oral potentially malignant disorders, oral pathology, oral medicine, immunohistochemistry, adjunct diagnostic tools, natural products and drug toxicity, oncoimmunology, homeobox genes and odontogenic lesions.