Marianne Levitsky, MES, CIH, ROH, FAIHA, Senior Industrial Hygienist

An industrial hygienist and Occupational Health and Safety (OHS) expert with over 30 years of experience, Marianne provides leadership, oversight, and guidance for numerous projects, including OHS Management Systems, policy development, program oversight, audits, and risk assessments. Before joining ECOH, she held senior OHS positions in the Ontario government and Workplace Safety and Insurance Board (WSIB), where she directed prevention policy and program development.

Recognized as an AIHA Fellow and recipient of multiple prestigious awards, Marianne is an adjunct faculty member at the University of Toronto and the founding president of the international non-profit organization Workplace Health Without Borders (WHWB). Additionally, Marianne’s expertise has been sought after in the following areas:

  • Membership on WSIB’s Science Advisory Table,
  • Canadian Standards Association’s bioaerosol respiratory protection working group, and
  • Prominent Canadian News networks called on her expert advice for interviews throughout the COVID-19 pandemic.