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Senior management

Liza Carroll

BEd, MEd (Hons)

Liza was appointed as Director-General of the Department of Housing and Public Works in August 2015. She has over 15 years senior executive experience across the Australian and Queensland Governments. During this time Liza has delivered reforms in the areas of housing, homelessness, families, income support and communities.

Liza is the former Associate Secretary of Indigenous Affairs in the Department of the Prime Minister and Cabinet. She started her career in the early childhood education and higher education arenas.

Liza has a keen interest in public sector leadership and administration in terms of strategy and delivery for government and the community.

Andrew Spina
Deputy Director-General, Digital Technology and Services

BSc (Comp)

Andrew Spina has worked in the Queensland public sector for more than 30 years and has extensive experience in leading the delivery of Information Communication and Technology services and the delivery of government services.

Andrew has undertaken Deputy Director-General and Assistant Director-General roles providing strategic leadership to CITEC, ICT Strategic Sourcing, ICT Renewal, Smart Services Queensland, Queensland State Archives, the One Stop Shop Program and digital economy development programs.

Andrew’s previous appointments include Associate Director-General, Government ICT, Department of Public Works and Chief Information Officer, Department of Communities and Public Works and Housing and roles in CITEC and Treasury.

Trish Woolley
Deputy Director-General, Housing, Homelessness and Sport


Trish joined the Department of Housing and Public Works in September 2016. She has almost 20 years' experience in public administration, working across a range of social policy and service delivery agencies in State Government (Queensland and Victoria) and the Commonwealth Government (Department of Human Services, Department of Social Services and Department of Prime Minister and Cabinet).

Trish is an experienced leader of social policy reforms nationally while contributing to the critical business transformation and modernisation of a number of social policy agencies to improve government delivery of key services and improve policy capability.

Graham Atkins
Deputy Director-General, Building Policy and Asset Management

BA Science (Quantity Surveying), Associate Dip. of Applied Science (Building)

Graham has vast experience in the building and construction industry spanning a number of decades. Graham has contributed to the Executive Leadership Team in his role as Deputy Director-General since joining the department in July 2011. Graham has held senior executive positions within other government departments, including Deputy Director-General of the Department of Education and Training, where he was responsible for infrastructure planning and delivery. Graham holds a Queensland Open Builders Licence.

Sharon Bailey
A/Deputy Director-General, Portfolio Strategy
Chief Advisor, Queensland Government Procurement

Sharon has a long history in policy and program roles in economic and social portfolios in State and Commonwealth jurisdictions. Prior to working with HPW, she managed the Settlement Services area within the federal Department of Social Services, responsible for the successful settlement of migrants, humanitarian entrants and refugees; having previously managed their Human Resource and Ministerial, Executive and Parliamentary Support functions.

Sharon’s most recent Queensland Government experience was 10 years with the Department of Premier and Cabinet, culminating in the role of Executive Director Office of the Director General.

Robyn Turbit
Assistant Director-General, Corporate Services

BComm, BEcon

Robyn has worked for 40 years across the private and public sectors predominantly relating to accounting, auditing and governance functions. Over this career span, she has undertaken her various roles using many employment styles, viz. full-time, part-time, telecommuting, and contracting.

Robyn has worked in a number of public sector departments but for the last 27 years within the various iterations of the Department of Housing and Public Works. Robyn was appointed as the first Internal Audit Manager for the department and went on to fill a variety of positions until her appointment to the Assistant Director-General Corporate Services position in 2007.

Andrew Mills, Queensland Government Chief Information Officer

B.Sc, M.Sc 

Andrew Mills was appointed Queensland Government Chief Information Officer in January 2014. In this role he provides strategic advice to Ministers and Directors‑General on the best way for the government to digitally transform and use information and communication technology (ICT) to deliver improved services to Queenslanders.

Before this role, Andrew was Chief Information Officer for the South Australian Government where he led development and implementation of cross-government ICT strategy and policy and improvement initiatives to build online service capability.

Andrew has a Bachelor of Science from the University of NSW and a Masters of Science (Electronic Systems) from the Cranfield University in the UK.

Dallas Stower
Assistant Director-General, Digital Platforms and Data

Bachelor of Business (Computing), Graduate Certificate (PSM) GAICD

Dallas has over 30 years’ experience in the ICT industry across a range of senior leadership positions. In his role as Assistant Director-General Digital Platforms and Data, Dallas leads the development and implementation of initiatives that strengthen Queensland’s ICT service delivery. Dallas is responsible for CITEC ICT, Smart Service Queensland, Strategic ICT Projects and Data Sharing and Analysis.

Dallas commenced his ICT career with the Department of Defence in Canberra and followed up with a number of roles in the Federal Public Service before returning to his home state of Queensland. His senior leadership roles in Queensland include Assistant Director-General, Strategic ICT, General Manager, CITEC, Executive Director, Telecommunications and Digital Economy Coordination Office and Chief Information Officer, Queensland Rail.

Paige Ridgewell
Assistant Director-General, Sport and Recreation


Paige has more than 30 years’ experience in the sport and recreation industry as an athlete, coach and administrator.

Since joining the Queensland Government in 1993, Paige has held positions in program development and delivery, infrastructure development, industry consultancy and capacity building, land use planning, research, governance, legislation and policy. During her public service career, Paige has worked across a number of portfolios including main roads, racing, infrastructure and planning, national parks, sport and recreation.

Prior to this role, Paige’s was the Executive Director in Strategic Policy and Racing Industry Governance, where she successfully merged her government and industry experience to develop strategic policy and strategy.

Richard Cassidy
Assistant Director-General, Building Legislation and Policy


Richard Cassidy has previously worked for the department as the Executive Director, Office of the Chief Advisor Procurement which saw him leading development and implementation of the Buy Queensland Procurement Policy to deliver broader economic, social and environmental outcomes for Queensland through the Government’s procurement spend.

Richard has also spent time as a management consultant providing infrastructure advisory services and prior to that working for Queensland Health implementing large system-wide reforms.

Richard brings many years’ strategic leadership experience within public sector environments, with an approach characterised by a strong focus on outcomes and a demonstrated ability to develop policy and strategy solutions which meet the needs of diverse stakeholder groups.

Rowena Richardson
A/Assistant Director-General, Responsive Government

BHSc (Nursing), MHA

Rowena has over 25 years’ experience in operational and strategic roles across Government. She is lending her expertise in system redesign and improvement to her role as A/ADG Responsive Government where she is responsible for leading ‘To be a Responsive Government’, part of the Our Future State: Advancing Queensland’s Priorities.

Since 2005 Rowena has facilitated significant reform agendas in the Emergency Management and Health sectors. Prior to joining Housing and Public Works in 2018, Rowena contributed to the successful establishment of the Office of the Inspector-General Emergency Management and was the primary driving force behind the development and implementation of the Emergency Management Assurance Framework, the first of its kind in Australia. Holding a range of senior roles over the last 9 years, Rowena facilitated effective disaster management outcomes for State and local government agencies.

Rowena has also held a range of clinical and strategic leadership roles in Health. Most notably, Rowena helped form Queensland Health’s inaugural Patient Safety Center where she led major state-wide reform programs to enhance patient safety and change clinician behavior. She has a background in improvement systems and futures thinking, designing and implementing programs that have created organisational culture change and improvement.

Last updated 21 August 2019    Creative Commons Attribution 4.0 International (CC BY 4.0)

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