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Commission and Executive Management team


Mr Angus Mitchell

Angus Mitchell has extensive experience in organisational leadership and management, maritime operations and safety investigation.

He joined the ATSB from Maritime Safety Queensland, where as General Manager, he oversaw the safe and efficient movement of vessels into and out of Queensland’s 21 ports, and was responsible for compliance activities and safety investigations for Australia’s largest recreational maritime fleet.

During his tenure with Maritime Safety Queensland Mr Mitchell was recognised with the 2020 Australian Industry and Shipping Award for his role in managing international shipping throughout the COVID-19 pandemic, and supporting the welfare and safety of international seafarers.

Prior to leading Maritime Safety Queensland, Mr Mitchell was the Executive Director of NSW Maritime, where he oversaw Australia’s largest state’s primary maritime regulatory, investigative and compliance agency. He has also served as Deputy Harbour Master – Operations for Sydney Ports, where he was responsible for managing day-to-day port operations for both Sydney Harbour and Port Botany.

Mr Mitchell served as an officer in the Royal Australian Navy for 17 years, undertaking a number of operational and Joint Operations Command roles. Mr Mitchell commenced his five-year term as ATSB Chief Commissioner and Chief Executive Officer on 2 September 2021.


Mr Chris Manning

Chris Manning has over 40 years’ experience in the aviation industry. Beginning his aviation career in the early 1970s, Mr Manning was a Qantas cadet pilot from 1970 until 1972. He then became an air traffic controller from 1973 until 1975 before returning to Qantas as a pilot.

During his Qantas career, Mr Manning gained his command on the Boeing 767 in 1989, and was a check and training captain throughout the 1990s. From 2003 until his retirement from the airline in 2008 he held the position of Chief Pilot and Group General Manager Flight Operations. He also held the position of president of the Australian and International Pilots’ Association from 1999 until 2002.

Since retiring from flying, Mr Manning has been a Chair of The Australian Aviation Associations’ Forum, is a Director of AMDA (organisers of the Avalon Airshow), a founding Director of the Australian Aviation Hall of Fame, Chair of Airport Coordination Australia, and a Director of the Historical Aircraft Restoration Society Foundation.

Mr Manning was appointed as an ATSB Commissioner in March 2015.


Mr Gary Prosser

Gary Prosser has over 40 years’ experience in the maritime industry, coming from a seagoing career and serving on a wide variety of Australian ships in both the international and domestic trades. He was part of the inaugural intake to the Australian Maritime College (AMC) in 1980 and went on to lecture at the college.

For a number of years, Mr Prosser managed offshore supply vessel operations in Bass Strait prior to moving to Tasmania where he headed the Polar Division of P&O Australia managing Antarctic and Marine Science Vessels for the Australian Antarctic Division and the CSIRO.

Initially joining AMSA in 1997, Mr Prosser had a variety of senior management roles with the authority and was appointed Deputy Chief Executive Officer in 2007.

In 2009, Mr Prosser was elected as Secretary General of IALA, headquartered in Paris, prior to returning to AMSA in 2015 and retiring in 2019.

In addition to his maritime qualifications, Mr Prosser has a Bachelor of Education degree and is a member of the Australian Institute of Company Directors.

Mr Prosser was appointed as an ATSB Commissioner in October 2019.


Ms Catherine Scott

Catherine Scott has extensive experience in rail safety, aviation and road transport, finance and risk management, and board directorships.

From 2012 to 2020, Ms Scott served as a non-executive director of ONRSR, and was previously Deputy Chair and Chair of the Committee of VLine Passenger Pty Ltd.

In her earlier professional career, she held senior positions in the investment banking and finance industries, including five years as a senior executive at Australian Airlines (which subsequently merged with Qantas Airways) as Treasurer Capital Markets.

Ms Scott also currently serves as a non-executive board member and member of the Finance, Risk and Audit Committee of the National Heavy Vehicle Regulator.

Ms Scott has held a board membership with VicWater, and has been Chairperson, Deputy Chair and Audit Committee Chair of the Goulburn Valley Region Water Corporation. She has served as a non-executive director, Deputy Chair and Chair of the Audit and Risk Committee at VicForests.

A Fellow of the Australian Institute of Company Directors, Ms Scott holds Bachelor of Science (Honours) and Bachelor of Commerce degrees from the University of Melbourne.

Ms Scott was appointed as an ATSB Commissioner in September 2020.


Ms Carolyn Walsh

Carolyn Walsh has over 35 years’ experience in policy development, regulation and safety management at both the Commonwealth and state levels. She has 20 years’ experience in the transport sector, initially as Executive Director of Strategy in the New South Wales Office of the Coordinator General of Rail, and then as Chief Executive of the New South Wales Independent Transport Safety and Reliability Regulator.

Ms Walsh is currently Chair of the National Transport Commission and a member of the board of the NSW Environment Protection Authority. She is also a member of the Audit and Risk Committees for the New South Wales Law Enforcement Conduct Commission, New South Wales Public Service Commission, State Transit Authority of New South Wales, Ministry of Health, Western Sydney Local Health District, and the City of Sydney.

Ms Walsh has specialist expertise in safety (both transport, and occupational health and safety), risk management and the regulatory framework governing transport operations in Australia.

Ms Walsh has a Bachelor of Economics degree and is a graduate of the Australian Institute of Company Directors. Ms Walsh finished her more than 10-year term as a Commissioner with the ATSB in September 2020.


Mr Greg Hood

Greg Hood was the Chief Commissioner and Chief Executive Officer of the ATSB during 2020–21 and concluded his five-year tenure on 30 June 2021.

In his time as Chief Commissioner, Mr Hood oversaw several significant transport safety investigations and report releases across the three modes of aviation, rail and marine.

With almost 40 years’ experience across a wide range of operational, training and management roles within the Department of Defence and the civil aviation industry, Mr Hood was well positioned to drive an innovation agenda at the ATSB. This included the ATSB’s ‘Evolution Program’ which saw enhancements made to world-leading practices, including streamlining operations, a multidisciplinary teams-based approach to transport safety investigations, and the introduction of remotely piloted aircraft to capture evidence following accidents and other safety occurrences. Mr Hood also signed a partnership agreement between the ATSB and RMIT University to deliver transport safety investigator training at the tertiary level to benefit the Australian transport industry.

Mr Hood began his career as an air traffic controller in the Royal Australian Air Force (RAAF). In the civil aviation industry, Mr Hood has had the unique experience of acting as Director of Aviation Safety at CASA and acting Chief Executive of Airservices Australia, before his appointment as Chief Commissioner and Chief Executive Officer at the ATSB. Mr Hood is also the previous Chair of ITSA, which is the international network of the heads of independent transport safety investigation agencies from 17 nations.


Mr Colin McNamara

Colin McNamara joined the Australian Public Service in 2004. Prior to this, he served as a General Service Officer in the Australian Army and was awarded the Australian Active Service Medal in 1999.

Prior to his appointment as the ATSB’s Chief Operating Officer, Mr McNamara managed a range of corporate functional areas including human resources, governance, finance, communications, ICT business services and major projects. Through his appointment, Mr McNamara continues to play a critical role in contributing to the strategic direction of the ATSB, and in achieving relevant objectives of the Australian Government. Mr McNamara holds a range of professional qualifications in personnel management and is a professional member of the Australian Human Resources Institute.

Mr McNamara has recently gained a graduate qualification in Transport Safety Investigation through RMIT.