Catherine Willson has practised litigation for over 30 years. She founded True Law in 2022 after serving as the founding partner of Willson Lewis LLP and later practising with GSNH LLP. Her practice focuses on construction law, employment law, civil litigation, and equine law.

Catherine is a Director of the Toronto Construction Association, Chair of the Risk Management Committee and an Honorary Governor of the Royal Agricultural Winter Fair, and a member of the Ontario Bar Association and The Advocates' Society. She is a regular speaker at legal and business conferences, an instructor at the University of Guelph, and the author of Canadian Equine Law. She has also appeared on Canada AM as a civil litigation expert.

An avid cyclist and equestrian, Catherine enjoys spending time at her farm near Collingwood when she is not practising in Toronto.