Al Rosen is one of Canada's leading forensic accountants, and principal of Rosen & Associates in Toronto. He has given expert accounting testimony in Canada's highest courts; is a fellow of the Chartered Accountants of Ontario and Alberta, a certified fraud examiner, and a specialist in investigative and forensic accounting. Mark Rosen is a CFA charterholder, and received his MBA from York University in 1998. He is the author or co-author of several financial reporting and accounting articles that have appeared in the national media.