Stuart trained in medicine and surgery. Founded and co-founded multiple technology companies to commercialise medical devices he had designed, in both Australia and Hong Kong. His executive role was as a director and also as the head of R&D. Has been instrumental in the trade sale of four of these companies to large multinationals over the last three years. Is the named inventor of more than 50 patents and is a recognised expert witness in medical device litigation. Has consulted for venture capital firms and IPO underwriters on the appraisal of medical device technologies.