Edward Peng Chong Tock is currently an Emeritus Professor with the Department of Pathology at the National University of Singapore (NUS) and an Emeritus Consultant with the Department of Pathology at the National University Hospital (NUH), Singapore. He graduated in Medicine (MB,BS) from the then University of Malaya in Singapore in 1959. He commenced his career in Pathology at the then University of Singapore in 1961, rising through the ranks of Assistant Lecturer, Lecturer, Senior Lecturer, Associate Professor and Professor. He was a Senior Consultant in Pathology at the Singapore General Hospital till 1985, when he moved to the National University Hospital as Senior Consultant and Head of the Department of Pathology, concurrently being the Professor and Head of the Department of Pathology at NUS. He served as the Dean of the Faculty of Medicine of NUS, and as Chairman of the Medical Board of NUH, for several years. He has also served in numerous boards and committees in NUS, Ministry of Health, and other public bodies. He has served as External Examiner in Pathology in many overseas Universities and professional bodies, at undergraduate and postgraduate levels.

Pathology