He has been trained in University of Malaya for his neurology subspecialty training, followed by fellowship training in Melbourne for epilepsy. He is currently the member of Malaysian Epilepsy Council and the president of the Malaysian Epilepsy Society, and member of Commission of Asian and Oceanian Affairs, International League Against Epilepsy. He has published numerous original papers in epilepsy, especially on the psychosocial aspects of epilepsy, pharmacogenomics and pharmacokinetics of antiepileptic drugs, and currently involved in various research in neurology and epilepsy.