Mark commenced his career as an elite swimmer representing Australia in the 1984 Olympics and 1986 Commonwealth Games. After Mark's retirement from swimming in 1992, he joined the family business (Stockwell) established by his parents Bill and Necia Stockwell.
In 1992 Mark became Managing Director of W.A. Stockwell Pty Ltd and since then has seen the company diversify as an investor, developer, builder and project manager to include industrial, retail, commercial, residential and leisure development.
Mark has been quick to identify opportunities in the retail market and Stockwell currently owns shopping centres throughout regional Queensland in Mackay, Sarina, Bargara, Murgon, Sunshine Coast, and in Brisbane.
Mark is a past President of the Queensland Division of the Property Council of Australia and served on the National Board for 2 years.