Siobhan practices in all areas of Canadian tax law with an emphasis on cross-border transactions. Appointed King’s Counsel in 2020, she is especially skilled at international tax planning, understanding the intricacies between the laws of each country.
Before becoming a lawyer, Siobhan earned her Certified Management Accountant designation and practiced accounting across a variety of industries.
Siobhan was called to the Alberta bar in 1998, after clerking with the Alberta Court of Appeal and Court of Queen’s Bench of Alberta. She received a Master of Laws (US Taxation) from Southern Methodist University in 2000.
Siobhan has been a partner with Felesky Flynn since 2004, acting as co-managing partner from 2016 to 2018. As an avid globetrotter, her multifaceted thinking offers a worldly perspective to tax law.
Siobhan has written and presented on numerous tax topics for the Canadian Bar Association, the Canadian Tax Foundation and the International Fiscal Association, while also serving a sessional instructor at the University of Calgary, Faculty of Law. She is a former Governor of the Canadian Tax Foundation and is recognized as a leading tax lawyer by The Best Lawyers in Canada™ and is ranked as a featured Leading Lawyer in Corporate Tax as well as Finance and M&A by Canadian Lexpert® and the Lexpert/ALM 500.