During his legal studies, Samuel co-founded and coordinated a legal information clinic for non-profit organizations and charities . Most recently, Samual has worked as a sole practitioner in tax, charity, non-profit and LGBTQ law. Samuel is a long-time advocate for trans people, including through legal advocacy and capacity building work. In 2014, he founded the Trans Legal Clinic in Montreal and has since served as its supervising lawyer. He is a member of Egale's Legal Issues Committee. Samuel's research interests also include trans people and the law, as well as the role of discretionary decision-makers in regulating trans people's lives. He is a member of both the Québec and Ontario Bars. Samuel also has a passion for tax law and policy, particularly related to charities and charitable giving.