Korsiak Urban Planning has provided personalized land use planning services to the private sector since 1998. From our office in Oakville, we take pride in adding value to all our projects, large and small. Our successful track record has allowed us to develop valuable and long standing relationships with our clients.

Terry Korsiak, M.A., MCIP, RPP
Terry Korsiak is the company President and has practiced as a professional planner since 1985. Terry oversees all aspects of the company and offers a breadth and depth of knowledge gained through overseeing the planning and approval of 1000’s of acres of land in southern Ontario.

Catherine McEwan, B.A.
Catherine joined Korsiak & Company in 2002 after graduating from the University of Guelph with a Bachelor of Arts in Geography and Mohawk College with a Diploma in Urban and Regional Planning. Catherine has been involved in a wide array of development projects across the GTA. She enjoys liaising with clients and municipal staff throughout the approvals process.

Constance Ratelle, MPlan, RPP
Constance obtained a Master of Planning degree in Urban Design and Development from the University of Calgary and worked as an environmental planning consultant before joining Korsiak Urban Planning as a planner and designer. She works with our clients to develop concepts, prepare zoning and site plan applications, and address feedback from municipalities. Constance is a Member in the Ontario Professional Planners Institute.

Jacob Kaven, MES, RPP
Jacob is a graduate of the Master in Environmental Studies (Urban Planning) program at York University and worked in municipal government prior to joining Korsiak Urban Planning.  He conducts land use policy research on a variety of projects, prepares relevant planning reports and coordinates the submission of development applications.  Jacob also assists in the approval process including liaising with clients, other consultants and government officials. Jacob is a Member in the Ontario Professional Planners Institute.

Katelyn Capone, BSc, CPT
Katelyn is a graduate of McMaster University’s Bachelor of Environmental Science program as well as Mohawk College’s Urban and Regional Planning program. Katelyn is a member of the Canadian Association of Certified Planning Technicians. She assists with all aspects of design including the preparation of concept plans, draft plans, site plans and other graphics. Katelyn also undertakes research on a variety of projects and assists with the preparation of development applications.

Lindsay Charles, CPT
Lindsay is a graduate from Mohawk College’s Urban and Regional Planning Program.  Lindsay is a member of the Canadian Association of Certified Planning Technicians.  She assists with design aspects as well as the  preparation of various graphics required in all aspects of applications.


Susan Korsiak, B.A., B.Ed., Administration Manager
Susan oversees and manages all administrative aspects of the company including finance, operations, and human resources.