Partner, Aird & Berlis LLP and Adjunct Professor, Osgoode Hall Law School, York University

John Mascarin is a Partner with Aird & Berlis LLP in Toronto. He is a Certified Specialist by the Law Society of Ontario in Municipal Law: Local Government & Land Use Planning and Development.

John practices in the areas of municipal law, development and planning law, and building and construction regulation. He provides advice, counsel and representation primarily to municipalities and public sector clients on a wide range of matters. He leads all of the firm’s municipal accountability mandates and teams.

He is a long-standing Adjunct Professor at Osgoode Hall Law School where he teaches municipal law and land use planning law courses in the J.D. and LL.M. programs.  He also taught in the M.E.S  program at the Faculty of Environmental Studies at York University for ten years.

He is the co-author of Annotated Land Development Agreements; the 2nd Edition of the Annotated Municipal Act; A Comprehensive Guide to the City of Toronto Act, 2006; Annotated Ontario Building Code Act and Ontario Municipal Act & Commentary and the primary contributor to the Municipal title of Halsbury’s Laws of Canada.

John is in his third decade as the Editor-in-Chief of both the Municipal & Planning Law Reports and the monthly newsletter the Digest of Municipal & Planning Law as well as the Co-Editor-in-Chief of the Real Property Reports.

He is a Past Chair of the Municipal Law Section of the Ontario Bar Association.

John is commonly listed as a leading practitioner in numerous publications and was selected “Municipal Lawyer of the Year” by Best Lawyers in Canada for 2016.