Eric Liberda Author

Eric Liberda, PhD is a professor in the School of Occupational and Public Health at Toronto Metropolitan University. He holds qualifications in toxicology and risk assessment from New York University (USA), RMIT (Australia), and the University of Waterloo (Canada). Dr. Liberda serves on government advising groups, conducts research related to human exposures, and has dedicated his life to helping others. 

Timothy Sly, PhD is Professor Emeritus, School of Occupational and Public Health at Toronto Metropolitan University. He holds public health qualifications from UK and Canada, and graduate degrees in Epidemiology (University of Western Ontario) and Risk Studies (Teesside University, UK).  He has also taught and worked in Brazil, Philippines, Taiwan, and the Caribbean Region, and served on expert committees for food and waterborne diseases.