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Senior executives

We are led by our Senior Executive Group (SEG). This group comprises the Secretary and the Deputy Secretaries of the four divisions.

Secretary, Department of Treasury and Finance

David Martine

David Martine





David leads the Department in its role of providing economic, financial and resource management policy advice to the Government.

David joined DTF as Secretary in February 2014. Prior to this, David held a number of senior roles in the Commonwealth public sector, particularly in the Commonwealth Treasury and Department of Finance and Deregulation.

David has extensive budget, finance, policy and organisational leadership experience, and has briefed governments on wide-ranging and complex policy issues.

Deputy Secretary, Economic Division

Amy Auster

Amy commenced as Deputy Secretary, Economic in September 2016. Amy is responsible for the provision of high-level economic and policy advice to Government on productivity, taxation and regulation, along with social, environmental and development issues.

Prior to joining DTF, Amy served as Executive Director of Monash University’s Australian Centre for Financial Studies, and was a member of the Monash Business School faculty executive. Previously, she spent nearly 20 years working in the financial services industry, including at ANZ Banking Group as Head of International Economics, Head of FX Strategy and Global Head of Client Engagement and at global investment banks including JPMorgan and Merrill Lynch in New York.

Deputy Secretary, Budget and Finance Division

Jamie Driscoll

Jamie commenced as Deputy Secretary, Budget and Finance Division in February 2019 and is responsible for providing advice on the State’s fiscal resources, financial management and consolidated reporting, and providing financial advice on public sector workplace agreements.

Immediately prior to joining DTF, Jamie was the Director, Strategy for the Major Transport Infrastructure Program in the Office of the Coordinator-General. He has previously held various roles in the ACT and Victorian Governments and was a Associate Director in Deloitte’s economics practice.

Deputy Secretary, Corporate and Government Services Division

Gayle Porthouse

Gayle is responsible for the efficient delivery of financial, people, information, legal, planning, procurement and technology services to DTF, which supports the Department to achieve its objectives and capacity to serve government.

She is also responsible for the management of whole of Victorian Government services provided to departments and agencies, including the development of policies and initiatives to achieve continuous improvement in facilities and real estate management, procurement and strategic sourcing. Gayle joined the Department in July 2014.

Gayle has more than 30 years’ experience in the public service across several government departments, including the Department of Premier and Cabinet.

Deputy Secretary, Commercial Division

Jason Loos

Jason is responsible for providing strategic commercial, financial and risk management advice to the Victorian Government.  Activities include managing the State’s balance sheet, prudential supervision of public financial corporations, public private partnerships, market-led proposals, infrastructure procurement and investment, commercial and property transactions and the monitoring and governance of the State’s major government business enterprises. 

Prior to this role, Jason was the Executive Director, Infrastructure Delivery (Partnerships Victoria) where he was responsible for providing strategic commercial, financial and structuring advice to the Victorian Government on major infrastructure projects.

Jason has been with the Department of Treasury and Finance for over 20 years during which he has overseen a number of policy initiatives and major projects.

Reviewed 20/08/2019
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