Mr Steward is a member of the Securities and Futures Commission (SFC). He is also an Executive Director with responsibility for the Enforcement Division. That Division is responsible for the surveillance of the securities and futures markets to identify unacceptable conduct, investigating statutory offences and breaches of the legislation enforced by the SFC, and disciplining licensed persons and initiating prosecutions where appropriate.

Mr Steward also sits on the SFC (HKEC Listing) Committee and Executive Committee.

Before joining the SFC, Mr Steward held several senior positions with the Australian Securities and Investments Commission (ASIC) and was most recently Deputy Executive Director, Enforcement at ASIC. Mr Steward has been involved in corporate and securities regulation since 1987 in both Australia and in the UK specialising in investigatory work and resulting litigation. Mr Steward completed a law degree at the University of Melbourne in 1989. He has practised extensively in Australian courts.