Riad began his career at Coopers & Lybrand, moving to Ferrier Hodgson Sydney, and then Ferrier Hodgson Hong Kong. For ten years he specialised in corporate restructure, financial investigation, and turnaround strategy. In the Hong Kong market Riad restructured listed companies, undertook fraud investigations, and provided litigation support. Riad is a Fellow of the Institute of Chartered Accountants.
Riad has assisted various companies in restructuring, equity raisings, building and acquiring businesses, and exit strategies. He joined Antony de Vries in partnership in February 2002, bringing considerable commercial acumen in the formation of de Vries Tayeh.
Riad also undertakes a number of appointments for not for profit organisations. He has been president and chairman of the Turnaround Management Association of Australia, and continues on various committees including various charity committees.