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Our Audit Team

Audit & Assurance is led by Holger Jessen and three senior managers - Christine Marsters, Tevita Hingano and Jared McGillicuddy.

They are supported by staff who specialise in an area of audit and report to one of the senior managers.

Audit & Assurance

Holger Jessen – Director, Audit and Assurance

Phone: 04 801 2456
Mobile: 027 498 6260

Director, Audit and Assurance, Holger Jessen.

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.


Certification Audit Programme

Manager – Christine Marsters

Phone: 04 801 2460
Mobile: 027 353 6282

Certification Audit Programme Manager, Christine Marsters.

Clinical excellence in nursing and pursuing continuous quality improvement has played an integral role throughout Christine’s career to date.  

Christine brings significant experience in the health sector to her audit role, including both the primary & secondary sector. Experience includes acute clinical care, management, clinical quality, governance and audit roles. Christine was also an assessor for the RNZCGPs Cornerstone Accreditation programme for four years prior to joining TAS.

Christine is approved by the Ministry of Health as an auditor in a variety of roles.

Certification Audit Programme Team

Helen Wood-Rowe – Lead Auditor
Mobile: 027 531 9207

Annie du Plessis – Auditor
Mobile: 027 213 2194

Elisabeth Esparcieux – Auditor
Mobile: 027 333 3753

Ly-Ly Wood – Audit Quality Lead
Mobile: 027 404 2305

Dani Wood – Administration Support
Phone: 04 803 5835

Provider Audit Programme

Manager – Tevita Hingano

Phone: 04 801 2463
Mobile: 027 245 5235

Provider Audit Programme Manager, Tevita Hingano.

Tevita has a nursing background working mainly in the area of specialist mental health and addiction, primary mental health and Pacific health development for the past 17 years. Tevita is an experienced project and service manager as well and has worked both in government agencies and NGOs (Non-Government Organisations) in Dunedin, Auckland and Wellington.

Tevita has a special interest in the area of systems development in particular organisational systems. He has been with TAS for over eight years and lives with his family in Wellington. He enjoys rugby and fishing. He spends his down time with his wife and children, and enjoys church and community work.

Provider Audit Programme Team

Tu Maniapoto – Lead Auditor
Mobile: 027 231 4317

Rose Laloli – Lead Auditor
Mobile: 027 280 8981

Catherine Gibbs – Lead Auditor
Mobile: 027 707 8900

Jacqueline Joseph – Lead Auditor
Mobile: 027 565 6437

Liz Wall – Lead Auditor
Mobile: 027 540 7640

Kiri Maioha-Mackay – Audit Coordinator
Mobile: 027 702 8364

Internal Audit Programme

Manager – Jared McGillicuddy

Mobile: 027 240 6118

Jared M flipped horizontal

Jared has over 13 years experience in risk management and assurance services. His experience ranges from hands-on management of risk through to the design and implementation of effective risk management frameworks that cover strategic to front line operational risk. He has extensive experience in evaluating and providing assurance over a huge range of business processes and providing wider services including information security, conducting investigations, computer forensics and data mining. 

Jared has spent five years focusing solely on health – assessing health sector risks, and reviewing key DHB processes to provide independent assurance directly to Boards. He has developed strong governance skills both through his experience of working directly for Boards and his wider experience of sitting on a Board, recognising the often fine line between governance and management. 

Internal Audit Programme Team

Mike Binkhorst – Lead Auditor
Mobile: 04 801 2783

Karl Sadler – Lead Auditor
Mobile: 027 530 7042

Mick Bennett – Lead Auditor
Mobile: 027 702 1222

Last updated: 21/4/20