FSRA supervises insurance companies, mortgage brokers, credit unions, pensions, and other non-securities areas of the financial services sector. Huston previously served as Director of Corporate Finance at the Ontario Securities Commission (OSC), where he oversaw securities-related matters for all Ontario-based public companies. In his role, he had statutory authority to receipt prospectuses and grant certain forms of exemptive relief.

Prior to his role at the OSC, Huston advised the CEO of Canada Mortgage and Housing Corporation (CMHC). Prior to his role at CMHC, Huston was President of the credit rating agency DBRS, which covered over 1,000 fixed income issuers in Canada, the US, and Europe. At various times over his career, he has supervised teams of fixed-income analysts in Toronto, New York, Chicago, London, and Paris. Huson was also formerly a member of the nonbank financial intermediation committee of the Financial Stability Board, holds a Master of Business Administration (Finance and Accounting) and is a Chartered Financial Analyst (CFA).

Huston is currently Chair of the Canadian Council of Insurance Regulators (CCIR), a national organization that includes all the provincial and territorial regulators, along with the Federal Office of the Superintendent of Financial Institutions. Together, they work to enhance fair treatment of consumers.