Our people

Our leadership

The Commissioner

Stephen O'Bryan

Stephen O’Bryan QC was appointed as the first IBAC Commissioner on 1 January 2013 for five years. As Commissioner, he is an independent officer of Parliament and is responsible for our strategic leadership.

Born and educated in Melbourne, Victoria, Mr O’Bryan is a lawyer with over 30 years’ experience. He holds LL.B and LL.M degrees from Melbourne University. Following articles at the firm Phillips Fox and Masel, he was associate to High Court Justices (the late) Sir Keith Aickin, KBE followed by Sir Daryl Dawson KBE, CB. Called to the Victorian Bar in 1983, he took silk in 2003. He was a member of both the Victorian Bar pro bono and the duty barrister schemes as well as its Animal Welfare Association. 

Mr O’Bryan has extensive experience in the fields of administrative, commercial and regulatory law. He has appeared in Royal Commissions, boards of inquiry and coronial inquests as well as various investigations and proceedings commenced by the ACCC and ASIC. His experience includes matters involving the Victoria and Federal Police, the Office of Public Prosecutions and many Victorian government agencies, including local government. 



The Chief Executive

IBAC CEO Alistair Maclean

Alistair Maclean was appointed Chief Executive Officer (CEO) in April 2013. He is responsible for the general conduct and the effective and efficient management of our functions and activities.

Alistair came to IBAC from PanAust Ltd, where he helped build the company into a significant publicly listed gold and copper producer. He was responsible for relations with external stakeholders, as well as sustainability, safety and security, across the company’s operations in South East Asia.

Alistair previously had a 20 year career with the Australian foreign service, including as Ambassador to Laos from 2004 to 2007, and in prior postings to Washington DC and Bangkok. In Canberra, he worked mainly on international trade and environment policy and negotiations.

As our CEO, Alistair is responsible for the general conduct and the effective, efficient and economical management of our functions and activities.

Alistair holds a Bachelor of Arts (Hons) degree from the University of Melbourne, and a Master of International Law degree from the Australian National University.

Our team

We employ a variety of people with professional and specialised skills. Our people work in a diverse and collaborative environment. 

IBAC organisational structure July 2015