Senior staff profiles

Our leadership team has a wealth of experience and varied backgrounds and qualifications. Read more about them in their employee profiles below.

Dr Gillian Miles
Dr Gillian Miles – Chief Executive Officer and Commissioner

Gillian has over 30 years’ public experience in national, state, and local government organisations leading people-centred reform to deliver an efficient, safe and integrated transport system.

After leading the reform of Victoria’s transport agencies into a central and integrated department through the creation of Transport for Victoria, Gillian joined the NTC to lead the introduction of automated vehicles, improvements to the productivity and safety of heavy vehicles (freight) and increasing the role of rail in a more connected land transport system. Focussing on the harmonisation of road, rail and intermodal transport systems will enable Australia to be more connected, productive, and able to capitalise on innovation and local manufacturing opportunities.

As well as being the CEO at the NTC and the Head of Transport for Victoria, Gillian has held Deputy Secretary roles in Transport & Community Development; she was the CEO at the City of Greater Geelong and the Head of Strategy and Performance at the Transport Accident Commission.

With strong interest in governance and risk management Gillian chairs the Diversity & Inclusion Committee as part of her Board duties at Roads Australia, sits on both the Risk & Audit and the Remuneration Committees as part of her Board duties at the Gordon TAFE. Gillian is a member of Chief Executive Women and was instrumental in establishing the National Women in Transport network, a partnership between the NTC, Infrastructure Australia and the Department of Infrastructure, Transport, Regional Development and Communication.

Gillian provides mentoring and support to senior executives and young people. She has a Bachelor of Education, Master of Letters in Cultural Theory and Doctor of Business Administration.

Sandra McKay
Sandra McKay – Executive Leader, Facilitated Reform

Sandra McKay joined the NTC in February 2020 and is responsible for the facilitated reform portfolio, which includes the safety program, partnerships, the National Rail Action Plan, and the communications and engagement functions. She has made a career out of navigating complex policy environments, having worked at senior policy and executive roles across transport, the environment and health sectors.

A Walkley Award winning journalist in her early career and the first female transport reporter at The Age, she went on to advise governments and private sector on sustainability, health, renewable energy and transport reform. From overarching transport plans, a white paper on climate change, road safety strategies and stakeholder engagement plans, Sandra enjoys building enduring relationships through supporting public policy change for the better. For 10 years, she headed her own strategic consultancy before re-joining the public sector in Victoria where she was Executive Director, Strategic Communications and Engagement at the Department of Transport.

As a Monash University graduate in Communications and a Graduate of the Australian Institute of Company Directors, she has held board directorships in government and the not-for-profit sector. 

Dimi Rigas

Dimi Rigas - Executive Leader, Strategy and Government Relations

Dimi joined the NTC in June 2021 from Transport for NSW where she was Director, National Policy and Reform for the past five years. In this role, she was responsible for directing the state-wide participation, governance and accountability arrangements for delivering the national transport reform agenda in NSW.

This involved complex stakeholder management and negotiations across government agencies, state borders and with industry, as well as the implementation of initiatives focused on customer and community improvements.  

Having worked for more than 20 years in various strategic policy settings, including in the United Kingdom, Dimi has extensive experience in delivering best practice policy and governance frameworks, as well as advising on operational, policy and strategy solutions. 

With a passion for developing communication and consultation approaches which are responsive, Dimi looks forward to driving positive outcomes across the NTC’s diverse portfolio.  

Dimi has a Bachelor of Social Science (Hons) majoring in Political Science, a Masters in International Studies and a Graduate Certificate in Project Management. 

Aaron de Rozario's headshot
Aaron de Rozario – Executive Leader, Regulatory Reform

Aaron de Rozario joined the National Transport Commission in July 2021 and is responsible for NTC’s regulatory reform initiatives portfolio including the automated vehicle, heavy vehicle and legislative reform programs.

Aaron has over 20 years public sector experience in both Australia and the United Kingdom and has as a strong record of achievement economic development, education, social justice policy and transport portfolios. He has advised the Western Australian and Victorian governments on industry reform, regulatory matters and the impact of technology on public policy. 

Prior to joining the NTC, Aaron was Chief Executive officer of Commercial Passenger Vehicles Victoria, where he led the Victorian government’s commercial passenger vehicle reforms and heavily influenced Australia’s policy response to the emergence of ridesharing.

Aaron has a passion for technology and the political economy of software development. He is a Member of the Australian Institute of Company Directors and holds a Masters in Public Policy from Murdoch University.

Graham Giannini
Graham Giannini – Executive Leader, Business and Resources

Graham Giannini is responsible for the business and resources portfolio, which includes finance, human resources, ICT and information management, legal services and the Commission secretariat. The group works closely with internal and external stakeholders to build or improve organisational capabilities and to maintain an effective system of governance and compliance.

Prior to joining the NTC, Graham’s career has been centred on designing and delivering major organisational transformation change programs, either through senior executive roles or as a consultant.

Graham has a Bachelor of Economics, Graduate Diploma Strategic Marketing, Graduate Diploma Securities Industry, and has completed the Graduate Diploma Company Directors Course.

Helen McInerney
Helen McInerney - Head of Engagement and Impact

Helen McInerney is the Head of Engagement and Impact in the Facilitated Reform portfolio.

Helen has significant experience working as a communications and engagement expert at all levels of government – Commonwealth, State and capital city. She is passionate about the development of public policy that has positive community impact and works to communicate policy in a meaningful way that resonates.  

Working at the National Transport Commission is an opportunity to bring together Helen’s significant experience in the transport sector with her other work communicating planning, legal and economic policy.

Mandi Mees
Mandi Mees – Head of Program and Partnerships

Mandi Mees has had various leadership roles at the National Transport Commission (NTC) as Executive Leader of Safety, and of Regulatory Reform, based here in Melbourne, Australia. 

As part of the safety and regulatory reform portfolios, Mandi led the reform of the Australian Road Rules to produce national technology-neutral driver distraction and personal mobility devices legislation. 

Today, her work continues to support the complex heavy vehicle national reform underway - which includes driver fatigue and driver health. 

Mandi has led transport policy advocacy and reform initiatives for nearly a decade, following an extensive international career in advertising, strategic marketing, and corporate communications across the pharmaceutical, IT, financial and engineering services sectors.

A skilled public engagement specialist, Mandi served as Deputy Mayor of the Macedon Ranges Shire Council until 2020, a local government organisation in Victoria, Australia. 

Jeremy Wolter
Jeremy Wolter – Head of Legislative Reform 

Jeremy Wolter is the Head of Legislative Reform in the regulatory reform portfolio.

Jeremy played a leading role in achieving ministerial agreement to implement the Rail Safety National Law and Heavy Vehicle National Law national scheme legislation that commenced in January 2013 and February 2014 across participating jurisdictions. Since these laws commenced, Jeremy has been responsible for developing and delivering subsequent amending legislation to ensure they remain contemporary, effective, efficient and continue to meet the needs of stakeholders.

Prior to joining the NTC, Jeremy worked for the Queensland and Victorian state government justice agencies in the strategic and legislative reform areas. Jeremy played a key role in preparing regulatory impact material that underpinned corrective services regulations and other legislative instruments. During his time with the Queensland state government, Jeremy also served as a District Court Judge's Associate. 

Jeremy has a Bachelor of Laws and a Bachelor of Arts majoring in European History and French Language.

Ramon Staheli
Ramon Staheli – Head of Economics

Ramon Staheli is the Head of Economics in the strategy and government relations portfolio. 

Ramon has strong experience in pricing, market design and regulatory economics which he gained as a consultant in the electricity industry and through work in the public sector. Previous roles include Senior Market Regulatory Advisor and Pricing and Planning Manager for a large New Zealand electricity generator and retailer. He was also responsible for providing a range of strategic market design and operation advice to electricity market governance bodies in Singapore and New Zealand. Ramon has also worked as an analyst with the New Zealand Treasury, where he was responsible for providing advice on a wide range of transport issues.

Ramon has a Bachelor of Management Studies with First Class Honours in Economics from the University of Waikato, Hamilton, New Zealand.

Robert Chamberlain
Robert Chamberlain – Head of Legal Services

Robert Chamberlain is the Head of Legal Services in the business and resources portfolio. 

Robert has extensive experience in policy development and law reform – particularly in regulatory environments – at national, state and territory levels, including in areas such as Corporations Law, regulation of financial institutions and regulation of legal practitioners.

Robert has also practised as a commercial lawyer and has been the in-house lawyer for a large government department.

Robert has a Bachelor of Business, a Bachelor of Laws and a Graduate Certificate in Public Sector Management. 

Robert Fois headshot
Robert Fois – Head of Information Services

Robert Fois is the Head of Information Services in the business and resources portfolio. Robert is responsible for the organisation’s information management and technology including cyber security. 

With extensive experience across government in information management, technology and general corporate services, Robert works closely with government agencies and service providers to deliver information management and technology innovation and change programs to ensure ongoing organisational capabilities and compliance.

Robert holds a Bachelor of Applied Science (Physics and Computing) and Post Graduate Diploma in Business Management.