Home / Audit & Assurance / Our Team

Our Team

Holger Cropped

Holger Jessen

Director Audit and Assurance

Phone: 04 801 2456

Mobile: 027 498 6260

Holger Jessen is the Director of Audit & Assurance at TAS and specialised in financial audits with an extensive background in banking and finance. Holger has more then 20 years of experience in a wide range of audit areas and 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. Holger is a member of the IIA in New Zealand and the IIR in Germany.

Christine Cropped

Christine Marsters

Manager DAA/Certification Audit Programme

Phone: 04 801 2460

Mobile: 027 353 6282

Christine is an Audit and Assurance Manager responsible for the Certification Audit Programme and Designation as an Audit Agency (DAA). Christine is a registered nurse and has been involved with in the health sector, both in the primary and secondary sector, encompassing a period of twenty five years.

In addition, Christine has extensive experience in quality management. Christine has been working full time with TAS as a lead auditor since 2012 and prior to this contracted to TAS an as auditor for two years, while contracting to the RNZCGP’s for four years as an assessor in the General Practice Cornerstone Accreditation Programme. Christine also holds a Bachelor of Arts degree (psychology), enjoys time with her family and travelling.

Tevita Cropped

Tevita Hingano

Manager Provider Audit Programme

Phone: 04 801 2463

Mobile: 027 245 5235

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 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 three years now and lives with his family in Wellington. He is a rugby nutter and enjoys fishing. He spends his down time with his wife and children amongst his church and community work. Sometimes he does absolutely nothing.

Jared McGillicuddy

Manager DHB Internal Audit Programme

Mobile: 027 240 6118

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 covering 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 5 years focusing solely on health both 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. 


Susanna McLaren

Audit Coordinator

Phone: 04 801 2455

Ly-Ly Wood

Audit Coordinator

Phone: 04 802 0507

Mobile: 0274042305

Vicki Sanchez-Lloyd

Audit Coordinator

Phone: 03 378 6634

Catherine Faville

Lead Auditor

Phone: 04 381 5151

David Kevey

Information Systems Auditor

Phone: 04 801 2457

Helen Kjestrup

Lead Auditor

Phone: 04 803 5833

Helen Wood-Rowe

Lead Auditor

Mobile: 027 531 9207

Karl Sadler

Lead Auditor

Mobile: 027 530 7042

Lizelouize Perkins

Lead Auditor

Mobile: 027 707 8902

Mick Bennett

Lead Auditor

Phone: 04 801 2465

Mobile: 027 702 1222

Terri Kydd

Lead Auditor

Phone: 04 803 5827

Mike Binkhorst

Lead Auditor

Phone: 04 801 2783

Nigel Hoare

Lead Auditor

Mobile: 027 558 0297

Liz Wall

Lead Auditor

Mobile: 027 540 7640