Appointee Biographies

HOWARD SHAPIRO

Howard Shapiro is a Director & Associate Medical Officer of Health - Healthy Environments for City of Toronto: Toronto Public Health. His community involvement includes formerly serving as a Health Professionals Advisory Board Member for international Joint Commission.

LIZA BALLANTYNE

Liza Ballantyne has over 18 years of process engineering experience specializing in drinking water treatment. For the past 12 years, Ms. Ballantyne has been employed at the City of Toronto in Water Treatment and Supply Section as a Senior Engineer. Prior to joining the City of Toronto, Ms. Ballantyne worked in the consulting industry where she provided process optimization expertise and design and construction management services. Her community involvement includes being former Director of the International Ozone Association, and member, Vice-Chair, and Chair of the Ontario Water Works Association. Ms. Ballantyne is a member of the Municipal Engineers Association and she holds a Master of Applied Science degree in Civil Engineering from the University of Toronto.

RENA CHUNG

Rena Chung is a board certified toxicologist with 15 years of experience in risk assessment and communication, team leadership, human toxicology, public health, project management, and environmental assessment. While at Public Health Ontario (PHO), she has been focused on supporting Ontario's health-based standards and policies. Her primary responsibility has been to apply her expertise in toxicology to support Ontario's health care system and more recently, to manage the toxicology and exposure assessment team. Prior to joining PHO, Ms. Chung worked in consulting as a group leader and senior environmental risk assessor, where she managed large teams specializing in human health risk assessment, brownfield redevelopment, environmental permitting and planning, and water resources.