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Senior management

Liza Carroll
Director-General

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.

Christine Castley
Deputy Director-General, Housing, Homelessness & Sport

BA/LLB, MPA

Christine has been with the department since March 2016, bringing with her over 20 years’ experience in the public sector. In her previous role of Senior Executive Director of Social Policy with the Department of the Premier and Cabinet, Christine led and coordinated a wide range of whole-of-government social and justice issues. In 2014–15 in particular, Christine led the Secretariat to the Government’s Taskforce on Domestic and Family Violence. Prior to this, Christine held senior positions in the Department of Natural Resources and Mines, the Department of State Development and the Queensland Performing Arts Trust.

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.

Paige Ridgewell
Assistant Director-General, Sport and Recreation

BLeisSt, MBA, MPPM

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.

Don Rivers
Assistant Director-General, Building Legislation and Policy

Dip Architecture, Grad Dip Building Project Management

Don was appointed to the role of Assistant Director-General, Building Industry and Policy (BIP) in July 2013.

With professional qualifications in architecture and project management, Don joined the department in 1995 after 20 years in the private sector as an architect delivering many of Queensland's capital works projects. Don has held a number of positions in the department’s former commercialised business unit, Project Services, including Regional Architect, Client Manager, Portfolio Director and General Manager.

Don and his team are currently responsible for:

  • leading the implementation of the Queensland Building Plan. This work involves advancing a suite of significant changes, through policy development and legislative reform, in areas such as security of payment for subcontractors, non-conforming building products, licensing and Plumbing and Drainage Act changes.
  • maintaining open and professional stakeholder engagement with the design and building construction sector to develop building related policy reforms for Government.

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.

Kimberley Swords
Deputy Director-General, Portfolio Strategy and Chief Advisor Queensland Government Procurement

BVsc (Hons), MBA, GAICD

Kimberley was appointed Assistant Director-General, Queensland Government Procurement and Chief Advisor, Queensland Government Procurement in April 2017.

Kimberley has a strong public-sector background, working most recently as Deputy Secretary in the Australian Department of Environment. She has also worked in Victoria for the Department of the Premier and Cabinet, and in a number of policy and program roles across the state’s planning, transport and agriculture portfolios. Before joining the department, Kimberley was a Principal at the Nous Group, leading the public policy practice in Queensland.

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.

Andrew Spina
Deputy Director-General, Digital Technology & 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.

Irene Violet
Assistant Director-General, Responsive Government

BHSc, BA (Psych), MBA, GAICD

Irene has been in the role of Assistant Director General, Queensland Shared Services since May 2015. In this role Irene is responsible for modernising and optimising the shared services used by 25 Queensland Government agencies and departments. She brings to this role a wealth of experience in customer service, digital transformation and management of high-volume processing, primarily in a commercially oriented public sector environment.

In her previous role as General Manager, Corporate Services at WorkCover Queensland, she was responsible for the contact centre, high volume processing centres and specialist advisory teams such as customer compliance. Irene also held a number of senior management roles in customer service at WorkCover.

Irene is a graduate of the Australian Institute of Company Directors and a Fellow of the Australian Institute of Leaders and Managers.

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.​



Last updated 16 July 2018    Creative Commons Attribution 4.0 International (CC BY 4.0)


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