Mary Keyork is a Canadian lawyer with the Law Society of Ontario and a conseiller juridique canadien with the Quebec Bar who specializes in Canadian immigration law and leads her own law firm, Keyork Immigration Law. She handles all types of Canadian immigration matters and visas, with a focus on contesting negative and complex decisions at all three divisions of the Immigration and Refugee Board of Canada (IRB) as well as at the Federal Court of Canada.

Mary is fluent in English, French and Armenian, and has conversational skills in Spanish.