About John

John Paul Ventrella is a partner at Glaholt Bowles LLP in Toronto with significant experience representing both plaintiffs and defendants in complex construction disputes. John Paul advises on all major project delivery methods, including design-build, design-bid-build, and public-private partnerships, and handles claims involving disruption, delay, negligence, and deficiencies. John Paul has appeared before the Superior Court, the Commercial Court, the Divisional Court, the Court of Appeal, and tribunals such as the Ontario Labour Relations Board and the Real Estate Council of Ontario. John Paul teaches construction law in Osgoode's Professional LLM in Business Law program, instructs for RICS/ADRIC's National Adjudication Program, and sits on the board of BuildingSMART Canada, and was called to the Ontario bar in 2013 with a J.D. from the University of Ottawa and degrees from York University.

Practice areas

Education & credentials

Law school
University of Ottawa

Listing compiled from public sources in August 2026. Confirm John Paul Ventrella’s licence and standing in the Law Society of Ontario directory ↗