Dr. Siu received his B.Sc from University of Hongkong and MSc in Chemistry from University of Birmingham,UK. He received his PhD in Chemistry from the Dalhousie University in Halifaxin1981.Dr. Siu then accepted a position as Research Associate with the Division of Chemistry at the National Research Council of Canada. Over the following16 years,Dr. Siu held positions with the NRC as Research Officer,Institute for Environmental Research and Technology(formerly Institute for Environmental Chemistry)and Senior Research Officer, Institute for National Measurement Standards.In 1998Dr. Siu joined York university as Professor of Chemistry and NSERC / SCIEX senior industrial research chair . He was the founding Director of the Centre for research in Mass Spec . He served as associate VP research,science and technology at York University. He accepted the position of VP research and Innovation,Universityof Windsor,OntarioCanadafrom2012.Dr. Siu is recognized global lyasaleader in the fund amentals as well as applications in the field of masss pectrome try. He has coauthored more than240refereedarticles,and he and his group have given in excessof440 presentations of which50% were in the invited,key note orplenary category