Minister of Environment and Climate Change - The Honourable Catherine McKenna MP
- Canadian Environmental Assessment Agency (CEAA) President - Ron Hallman
- Parks Canada CEO - Daniel Watson
- Deputy Minister - Dr. Stephen Lucas
- Assistant Deputy Minister, Strategic Policy and Regional Directors General Offices
- Director General - Strategic Policy
- Director General - Economic Analysis
- Director General - Intergovernmental and Stakeholder Relations
- Director General - Sustainability
- Regional Director General: Atlantic and Québec
- Regional Director General: West and North
- Regional Director General: Ontario
- Assistant Deputy Minister, Environmental Stewardship
- Director General - Legislation & Regulatory Affairs
- Director General - Energy & Transportation
- Director General - Industrial Sectors
- Director General - Chemical Sectors
- Director General - Environmental Protection Operations
- Assistant Deputy Minister, Canadian Wildlife Service
- Director General - Assessment and Regulatory Affairs
- Director General - Stewardship and Regional Operations
- Director General - Domestic and International Biodiversity Policy
- Director General - Strategic Priorities
- Assistant Deputy Minister, Meteorological Service of Canada
- Director General - Business Policy
- Director General - Weather & Environmental Monitoring
- Director General - Weather & Environmental Prediction & Services
- Director General - Weather & Environmental Operations
- Assistant Deputy Minister, Science & Technology
- Director General - Water S&T
- Director General - Atmospheric S&T
- Director General - Wildlife & Landscape Science
- Director General - Science & Risk Assessment
- Director General - S&T Strategies
- Director - Environmental Science and Technology Centre
- Assistant Deputy Minister, Finance and Chief Financial Officer
- Director General - Corporate Management
- Director General - Finance Directorate
- Director General - Integrated Enterprise Services
- Director - Values, Integrity and Disclosure
- Executive Director - Clean Air Agenda Results Management Secretariat
- Assistant Deputy Minister, International Affairs
- Director General - Multilateral & Bilateral Affairs
- Director General - Americas
- Director General - Climate Change International
- Executive Director - Strategic Alignment
- Assistant Deputy Minister, Human Resources
- Director - EX Group Services and Programs
- Director General - Strategic HR Planning, Performance Measurement, Integration and Systems
- Director General - Workforce Design and Resourcing
- Director General - Workplace Relations, Compensation and Employee Development
- Assistant Deputy Minister , Corporate Services
- Director General - Major Projects and Supercomputing Directorate
- Director General - Infrastructure Operations Directorate
- Director General - Information Management Directorate
- Director General - Business Applications and Solutions Directorate
- Director General - Service Standards & Architecture Directorate (Office of the CIO)
- Director General - Assets, Contracting & Environmental Management
- Chief Enforcement Officer
- Regional Director General: Corporate Secretariat
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