About the lead developmental evaluators

This section contains brief biographies of the lead evaluators that the Ministry of Health contracts.

The listed reports are written by one of the evaluators in this section.

Enhancing Quality Services (EQS)

John Stacey (MBA, Dip. Bus studies)

John has a management background at executive level in both disability and mental health services and has worked in the area of disability support for the last 40 years. The majority of John’s work is now auditing and evaluating disability services. John also teaches quality auditing.

John is involved in local community groups and organisations including Special Olympics.

Margaret Wyllie & Associates

Margaret Wyllie (reg nurse, dip. Health econ)

Margaret has been a qualified Quality Auditor since 1999, undertaking developmental evaluations for the Ministry of Health funded services, including disability services. Margaret also spent 18 years working at management level in the aged-care sector. Margaret was an elected member of the Waikato Area Health Board and worked with Midland Health and the former Regional Health Authority in their disability services.

Dr Aloma Parker

Dr Aloma Parker is a clinical psychologist with a background in mental health management in the public and NGO sectors. Having been involved in deinstitutionalisation and development of community residential services, she has conducted developmental evaluations since 1999 to assure that community services are as good as they can be. She initially trained and worked for SAMS then spent nine years on SAMS Trust Board before working independently.

Standards and Monitoring Services (SAMS)

Audrey Buel (BSc psych)

Audrey has led evaluation teams for SAMS since 1991. Previously, in the United States, Audrey worked with the deaf and was part of a work-based centre helping people realise their potential and creating social opportunities for young people. Audrey is an advocate for enhanced communication. Audrey has also been the Sign Advisor for Makaton New Zealand / Aotearoa since 1997.

Christine Wilson (Ph.D)

Christine has led evaluation teams for SAMS since 1996. Christine has been involved in a variety of work, including, training roles, designing and implementing innovative research projects on behalf of Government departments and independent not-for-profit organisations. 

Christine’s PhD from Monash University is in community based support for people with learning/intellectual disabilities.

Lianne Clarke (GDip Tchg (secondary))

Lianne has led evaluation teams for SAMS since 2001. Lianne’s primary experience in the disability sector comes from being a family member of people who access services. Lianne is keenly interested in ensuring all disabled people have access to the information they need to make choices in their lives. Lianne has a commitment to a developmental approach to working with services to meet the choices and preferences of disabled people as they evolve.

Rebecca Walton (BA psych, dip. Rehab)

Rebecca has led evaluation teams for SAMS since 2005. Rebecca has worked for a range of organisations that support disabled people including these that promote advocacy and self-advocacy. Rebecca has set up and managed a new supported employment agency. Rebecca has written training modules for Advisors for Supported Employment in New Zealand, SAMS and other not for profit trusts. Rebecca also facilitates training.

Rebekah McCullough (MA spec edu)

Rebekah has led evaluation teams for SAMS since 2009. Rebekah has been involved in the disability and education sector since 1974. This has included working in Special Education as well as working for IHC (now IDEA Services) for 14 years. Rebekah also worked for 11 years in the Pacific region assisting in a number of projects to identify those with a disability.

Rebekah’s master’s thesis is in specialising in early intervention for children with disabilities, behavioural change and learning disabilities as well as in inclusive education. Rebekah is also a registered teacher.

Wendy Isaia

Wendy has led evaluation teams for SAMS since 2013. Wendy has worked in the disability sector for over 15 years, first in education in Australia and as a Family/Whānau support worker which led to attaining experience in child protection including working with families at risk.

Wendy comes from a blended Māori–European background with links with Ngāpuhi and the West Coast of the South Island. Wendy also has ties to the Pacific peoples through her husband and children.

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