Senior Leadership Team

Biographies

 


John MacKenzie

Chief Executive Officer

John MacKenzie

 

Office Phone: 416-667-6290
John.MacKenzie@trca.ca

Chief of Staff: Michelle Sirizzotti
Michelle.Sirizzotti@trca.ca | 416-661-6600 ext. 5600

Executive Coordinator: Leena Eappen
Leena.Eappen@trca.ca | 416-661-6600 ext. 5254

John MacKenzie is the Chief Executive Officer (CEO) at Toronto and Region Conservation Authority (TRCA) and a Director on the Board of the Toronto and Region Conservation Foundation (TRCF). John is a proven leader at building and fostering relationships and partnerships with all levels of government, agencies and community organizations. John is responsible for executing on TRCA and TRCF priorities by working with the province, federal government, municipalities, businesses, stakeholders and the public to ensure successful development and delivery of TRCA programs. John has advanced work to transform TRCA into a modern, sophisticated organization by leading the development and implementation of a five-year update to TRCA’s Strategic Plan. John represents TRCA on several intergovernmental and inter-agency committees to advance TRCA’s mandate including the Port Lands Executive Steering Committee, Toronto Emergency Management Program Committee, and the Greenbelt Golden Horseshoe CA Collaborative.

John holds a Master’s of Science Degree in Planning from the University of Toronto and an Honours Bachelor of Arts Degree in Geography and Urban and Environmental Studies from Brock University. John is a member of the Ontario Professional Planners Institute, Canadian Institute of Planners, and the Canadian Association of Municipal Administrators.

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Michael Tolensky

Chief Financial and Operating Officer

Michael Tolensky

 

Office Phone: 416-661-6600 ext. 5965
Michael.Tolensky@trca.ca

Administrative Assistant: Lisa Peng
Lisa.Peng@trca.ca | 416-661-6600 ext. 5970

Michael Tolensky is the Chief Financial and Operating Officer at Toronto and Region Conservation Authority (TRCA). Michael leads the Corporate Services division, with the primary mandate of providing timely and seamless support for fundamental business operations. The division takes proactive leadership to address standard operating procedures, opportunities for organizational improvements and results that are both financially and strategically sustainable.

Michael is a graduate of the Schulich School of Business at York University and a Chartered Professional Accountant. Michael earned his certificate in Not-for-Profit and Charity Finance Leadership from CPA Ontario as well as CPA Canada’s Public Sector Certificate Program. Michael also acts as a financial advisor to Toronto and Region Conservation Foundation (formerly The Living City Foundation).

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Moranne McDonnell

Director, Restoration and Infrastructure

Moranne McDonnell

 

Office Phone: 416-661-6600 ext. 5500
Moranne.McDonnell@trca.ca

Administrative Coordinator: Tammy Bartley
Tammy.Bartley@trca.ca | 416-661-6600 ext. 5579

Moranne McDonnell is the Director, Restoration and Infrastructure at Toronto and Region Conservation Authority (TRCA). In this role, Moranne provides leadership in capital asset management, planning and infrastructure management delivery, and natural heritage. Her responsibilities include leading the monitoring, assessment, design and implementation of all capital investment initiatives for both built and green infrastructure. Moranne also represents TRCA at a wide range of forums, including municipal councils, provincial committees and hearing boards.

The services that Moranne oversees include specialized erosion hazard identification, assessment and mitigation works to protect municipal infrastructure and public safety, as well as applied restoration works to improve and enhance aquatic and terrestrial habitat, and a range of other natural resources management projects and programs such as forestry management and environmental monitoring.

Moranne holds a Bachelor in Environmental Studies, and is a Certified Engineering Technologist, a Project Management Professional (PMP), and a Certified Inspector of Erosion and Sediment Control. Moranne joined TRCA in 2000, and has served as Project Manager, Senior Manager and Associate Director for the Engineering Projects Business Unit, Restoration and Infrastructure Division, before taking up her current position in April 2019.

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Darryl Gray

Director, Education and Training

Darryl Gray

 

Office Phone: 416-661-6600 ext. 5881
Darryl.Gray@trca.ca

Administrative Coordinator: Sabrina Pariselli
Sabrina.Pariselli@trca.ca | 416-661-6600 ext. 5924

Darryl Gray is the Director of Education and Training at Toronto and Region Conservation Authority (TRCA). Darryl provides leadership to a diverse team that supports TRCA’s vision for The Living City and focuses on improving access to learning opportunities for all throughout our jurisdiction. These initiatives include school programs, educational outreach, stewardship, youth employment and mentorship, professional training for new Canadians and industry practitioners, sustainable technology performance evaluation and TRCA’s accessibility program.

Chief among Darryl’s goals is to strengthen TRCA’s role as a leader in education and training through the redevelopment of TRCA education facilities and programs in community learning with an emphasis on building partnerships to improve health, learning and economic outcomes through an environmental and sustainability lens in the communities we serve.

Darryl holds a Bachelor of Arts from McMaster University and is presently completing a Diploma in Municipal Administration.

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Sameer Dhalla

Director, Development and Engineering Services

Sameer Dhalla

 

Office Phone: 416-661-6600 ext. 5350
Sameer.Dhalla@trca.ca

Administrative Coordinator: Lisa Facini
Lisa.Facini@trca.on.ca | 416-661-6600 ext. 5566

Sameer Dhalla is the Director of Development and Engineering Services at Toronto and Region Conservation Authority (TRCA). Sameer provides leadership to an integrated team of engineers, planners and scientists who utilize watershed management and municipal planning to protect our communities from natural hazards (flooding and erosion), safeguard our water resources and create complete communities that integrate nature and the built environment.

Sameer leads TRCA’s flood management and mitigation program and is responsible for land use planning and permitting pursuant to TRCA’s regulation and policies. Sameer holds a Bachelor of Science in Water Resources Engineering from the University of Guelph and is a licensed professional engineer with Professional Engineers Ontario (PEO).

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Laurie Nelson

Director, Policy Planning

Laurie Nelson

Office Phone: 416-661-6600 ext. 5281
Laurie.Nelson@trca.ca

Administrative Assistant: Cindy Barr
Cindy.Barr@trca.ca | 416-661-6600 ext. 5569

Laurie Nelson is the Director of Policy Planning at Toronto and Region Conservation Authority (TRCA). Laurie provides leadership to a diverse team to ensure that TRCA’s policy development, input and review functions are informed by the latest watershed research, and by the strategic objectives of managing water resources, natural heritage systems and natural hazards, creating complete communities, and facilitating a region-wide approach to sustainability to support TRCA’s Living City vision. Laurie serves on provincial, municipal and Conservation Ontario committees related to policy and conservation authority related initiatives, growth management and specialized planning studies.

Laurie holds an Honours Bachelor of Science in Geography from Trent University. She is a Registered Professional Planner and a member of the Canadian Institute of Planners.

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Natalie Blake

Chief Human Resources Officer

Natalie Blake

Office Phone: 416-661-6600 ext. 5374
Natalie.Blake@trca.ca

HR Coordinator: Gurpreet Makar
Gurpreet.Makar@trca.ca | 416-661-6600 ext. 5701

Natalie Blake is the Chief Human Resources Officer at Toronto and Region Conservation Authority (TRCA). Natalie provides strategic advice, guidance and leadership in all HR areas, including the formulation, implementation and administration of strategic human resources initiatives.

Natalie holds a degree in Psychology from York University and a certificate in Human Resources Management, Change Management and Advanced Dispute Resolution. Natalie is a Certified Prosci Change Management Expert.

Natalie is a member of the Human Resources Professionals Association and holds a CHRL designation.

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