Mr Waller has experience with pharmaceutical companies, both in Australia and internationally. In Australia Steven held senior management roles at Sigma Healthcare Limited and Aspen Pharmacare Australia Pty Limited. Between 1996 and 2007, Steven held several international roles in sales, marketing and general management with Johnson and Johnson in the Middle East, Europe, the US, and Asia-Pacific. Steven also owns a consulting business which provides services to the pharmaceutical industry and the broader health care industry in Australia, including government agencies.