Catherine Walsh is a professor at the Faculty of Law of McGill University and was formerly a professor at the Faculty of Law of the University of New Brunswick. Her principal teaching and research interests are secured transactions law and private international law with a focus on their comparative dimensions. In addition to publishing law review articles and commentary in these fields, she co-authored a national casebook on private international law and is the author of an annotated commentary on the New Brunswick Personal Property Security Act (PPSA). She has contributed to law reform initiatives in the field of secured transactions law at the provincial, national, and international levels. Her law reform contributions have ranged from advice on the implementation of PPSA-type legislation in particular jurisdictions, to reports on the interface between secured transactions law and intellectual property law, and between secured transactions law and private international law. Additional contributions include whether and how to implement international initiatives into national law. Her service contributions at the international level include assisting as an expert member of Canadian delegations to several intergovernmental organizations, most predominantly the Working Group on Secured Transactions of the United Nations Commission on International Trade Law (UNCITRAL).