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Leadership Team

Our organisation is led by our Chief Executive and our Leadership team which is made up of ten senior leaders.


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.

Gavin Knight – General Manager, Insights and Analytics

Gavin Knight – Director, Business Insights and Analytics

Gavin brings a background in social science, data and analytics. Prior to joining TAS, Gavin held senior management roles in the private, public and NGO sectors, and has undertaken post-doctoral research in social sector performance. He has a successful track record in leading service delivery improvements by translating research and analytical insights into practical initiatives and policy improvements. Gavin is passionate about the potential of advances in analytics to improve New Zealand's health system.

Michele McCreadie – General Manager, interRAI 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.

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.

Peter Brown – Director, Employment Relations

Peter Brown – Director, Employment Relations

Peter brings a unique depth of strategic, pragmatic and best practice Human Resources and Organisational Development experience to TAS. He draws on broad functional and executive experience, having been a member of senior leadership teams at some of the world’s largest corporations, some of New Zealand’s best known companies and at the highest levels of the New Zealand Government. 

Peter’s senior executive career has included working for organisations such as the New Zealand State Services Commission as Deputy Commissioner, Vector Limited as Group General Manager Organisation Services, Air New Zealand as General Manager Global Human Resources, PepsiCo in Asia/Pacific as Regional Human Resources Director and Johnson & Johnson in Australia and New Zealand at Human Resources Director level.

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.

Grant McKenna – General Manager, Corporate and Commercial

Grant McKenna pic3 

Grant is a qualified Chartered Accountant with a finance background. He has worked in both private and public sectors and across many different industries in the UK and here in New Zealand. 

More recently Grant has held General Manager Corporate roles in education and professional services and brings a commercial mindset, with a focus on driving cross functional working and business improvement. 

Outside of work Grant is a busy father of three and focuses on volunteer work mentoring our youth including lots of football coaching.

Hillary Palmer – Director, People and Communications

  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. 
Last updated: 3/3/20