Began his career in the securities industry as an account executive and syndicate manager at Dean Witter Reynolds Inc.

Co-founded Patient Safety Technologies, Inc., serving as chairman and CEO. The company acquired SurgiCount Medical Inc., which was later sold to Stryker in 2013.

Founded Ault & Company, Inc., a private diversified holding company, where he serves as chairman and chief executive officer.

Delivered a keynote titled 'De-Banked & Decentralized' at the Token2049 conference, discussing his experiences with banking and advocating for DeFi.