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Our Leaders

Our organisation is led by our Chief Executive. We have an Executive Leadership Team, made up of our Chief Executive and three General Managers. We also have several Directors across key business areas. 

Executive Leadership Team 

Graham Smith – Chief Executive

Graham Smith – Chief Executive

Graham started his role as Chief Executive in 2014. Prior to this, he had operated at a senior management and leadership level in both the private and public sectors, most recently with the Ministry of Science & Innovation and Callaghan Innovation. Graham is particularly adept at engaging with people both within an organisation and with external stakeholders, a critical requirement for this position. His leadership is well recognised as is his successful track record in developing and executing business strategy.

Tricia Sloan – General Manager, Services

Tricia Sloan – General Manager, Services

Tricia brings to her role extensive health and business expertise. Tricia has held senior management roles in the National Health Service (UK), and worked in developing countries prior to coming to New Zealand. The cornerstone of Tricia's work ethic is to drive better health outcomes for all New Zealanders through a culture of innovation and improvement.

Michele McCreadie – General Manager, Commercial Services 

Michele McCreadie

Michele has extensive senior management experience, primarily across the health sector. Her roles have included leading the National Breast and Cervical Screening Programmes for the Ministry of Health and in the UK, she held a number of senior management positions in the National Health Service including as Director Operations, Chesterfield Primary Care Trust. Michele was the General Manager of Legal Aid Services for the Ministry of Justice, where she led a programme of work to successfully reform the legal aid system.

Hillary Palmer – General Manager, Corporate  

hillary2  Hillary has over 20 years' experience in designing, delivering and supporting people in the workplace. A passion for ensuring people are the heart of business success, is the foundation for her work within the People and Communications function. Having worked across many industries globally and at home in NZ, including IT, Retail, Hospitality, Banking and more recently in the world of consulting, enables a diverse perspective and modern approach to creating the right employee experience and culture for TAS. 


Holger Jessen – Director, Audit and Assurance

Holger Jessen – Director, Audit and Assurance

Holger has worked in the audit profession for more than 30 years. He has experience in a wide range of audit areas and has worked in different roles within private and government banks in Germany before he moved to New Zealand in 2008. Holger manages a team of Health, Finance and IT auditors to provide a broad range of assurance services in the health industry with access to a huge number of specialists contracted in whenever needed.

Rachel Mackay – Director, Integrated Community Services

Rachel Mackay 20190211

Rachel has more than 25 years' experience in the New Zealand health sector, having begun her career in the multi-national pharmaceutical industry. Since 2014, she has led TAS in supporting the collective DHB contract with community pharmacy, including developing the innovative Integrated Community Pharmacy Services Agreement.

Jon Shapleski – Programme Director, Health of Older People

Jon Shapleski 20190211

Jon has worked in the health sector for more than 20 years in senior management positions. He has a strong commercial background from his 15 years with Mobil Oil and an excellent knowledge of contracts. His speciality interest is in matters related to improving the health of older people and has a strong belief that patients should be at the centre of care planning and service delivery.

Allison Plumridge – Director, Workforce Services

Allison Plumridge

Allison has extensive experience across key public sector agencies: health, justice and transport. Allison thrives on being able to bring together multiple, and often diverse stakeholders to achieve results. Key to this is her skill at developing and fostering strong networks with a wide range of stakeholders across multiple sectors. Leading the workforce team brings together these skills to deliver results for our customers and stakeholders.

Last updated: 1/7/22