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Executive Leadership Team

 Image of Dr Nick Chamberlain

Dr Nick Chamberlain - Chief Executive Officer

Dr Nick Chamberlain has specialist qualifications in Medical Administration and General Practice. He has previously had roles as General Manager of Clinical Service at Northland DHB, General Manager of Planning and Funding at Capital & Coast DHB, Clinical Advisor and GP Liaison, Northland DHB, and 11 years in his own General Practices. He has clinical interests in Sports Medicine, Geriatrics, and Addiction, and has management interests in clinical governance and patient safety, improving the patient journey, chronic care management, and preventing avoidable hospitalisation. Dr Chamberlain enjoys the challenge of building an effective team that makes a real difference and helps enable improvements in health outcomes for our population.

 Image of Andrew Potts

Andrew Potts - General Manager, Surgical, Pathology and Ambulatory Services

After graduating from the University of Newcastle upon Tyne in 1988, Andrew joined the UK National Health Service general management training scheme. Following completion of his training in 1990, he worked in hospital management positions in Birmingham and Hull before moving to the Newcastle upon Tyne in 1997.  After 11 years in various operational management and corporate planning roles, Andrew left Newcastle in April 2008 to emigrate to New Zealand joining the Waitemata District Health Board as a general manager, initially of adult health services and more recently of surgical and ambulatory services. Andrew took up his current role at Northland DHB in January 2012.

 NIel Beney

Neil Beney - General Manager, Medicine, Health of Older People, Emergency & Clinical Support

Neil Beney has a background in physiotherapy.  His career has included both clinical and management work.’He has experience of working in the UK and Australia and has worked in the public and private sectors. Neil has also worked extensively with registering authorities and training institutions. Previously a clinical director with Northland DHB, Neil also has responsibilities with Allied Health within his current role.

 Jeanette Wedding

Jeanette Wedding - General Manager, Child, Youth, Maternal, Public & Oral Health, Lead General Manager

Jeanette Wedding has worked in New Zealand health services since 1975 in a variety of administrative, support, and management roles. She has spent most of her career in Northland and has also worked in staff development/training and Equal Employment Opportunities implementation roles as well as undertaking study in achieving a business studies postgraduate degree. Jeanette, who is part Fijian, has a special interest in Pacific Island culture and also enjoys rugby, fishing and family activities.


Ian McKenzie - General Manager, Mental Health & Addiction Services

Ian has extensive operational and strategic management experience within the mental health and addictions services both with the DHB and non-government organisation sector.
Ian was previously the General Manager, Mental Health, Waitemata DHB and has  held roles of Regional Manager, Forensic Psychiatry Services; Regional Director, Mental Health and Addictions Services, Northern District Health Boards Support Agency; and General Manager, Mental Health and Intermediary Care Services, Counties Manukau DHBHe believes that excellent services stem from building effective partnerships with Clinicians, non-government organisation, Primary care and other social agencies.
This DHB has a responsibility to ensure a positive experience of care by the people who use them, including whānau.


John Wansbone - General Manager, Planning, Integration, People & Performance

John is responsible for leading the Corporate Planning, Primary Care Integration, Human Resources, Occupational Health & Safety, Payroll, and Customer Services teams. After graduating from Waikato University with a Bachelor of Social Science (Industrial Relations and Human Resource Management) John held operational HR Manager roles in retail, manufacturing, and software industries. He later held roles in a large global engineering firm leading workforce development across the Middle East and Australia. Born and raised in Whangarei, John moved back to Northland in 2012 where he joined Top Energy in the role of General Manager, Organisational Development. He joined Northland DHB in 2015 and was appointed to the position of GM Planning, Integration, People & Performance in June 2017.  John enjoys the challenge of partnering with primary health care providers to enable better population outcomes. He is also committed to nurturing the DHB’s employee experience, workforce capability and wellbeing. Outside of work John enjoys time with his family, cheering on the Taniwha and All Blacks, and spending time on our wonderful coastline.

Meng Cheong - General Manager, Finance, Funding & Commercial Services

With a bachelors degree in economics and a masters degree in business administration, Meng has enjoyed more than 20 years experience in the New Zealand health sector in a variety of roles encompassing finance, strategy, business development and operations management. Meng began his career in health at the Auckland Area Health Board as Manager, Corporate Finance. This progressed to roles with South Auckland Health (now Counties Manukau DHB) as Financial Controller, and then later as General Manager, Surgical Services. In 2003, he managed the operational integration of Auckland and Greenlane Hospitals, and was the inaugural General Manager of the new Auckland City Hospital before moving to the role of Chief Operating Officer for Capital and Coast DHB. After Six years as Chief Executive of the Salvation Army HomeCare programme, Meng has taken the role of General Manager, Finance, Funding and Commercial Services at Northland DHB in September 2013.

 Image of Dr Mike Roberts

Dr Mike Roberts - Chief Medical Officer

Mike Roberts attended medical school in the United Kingdom but moved to New Zealand to complete his training in Emergency Medicine.  He worked in Wellington and Christchurch before returning to England where he held appointments as Clinical Director of an Emergency Department and subsequently Chief Medical Officer.  In 2010, Mike moved to Northland with his family to another clinical post in Emergency Medicine and was appointed Chief Medical Officer in January 2012

Harold Wereta - General Manager, Māori Health

Harold Wereta has strong tribal connections to Te Roroa, Ngati Whatua, Ngapuhi and Te Rarawa iwi. He brings 15 years’ experience working in Maori health management with the last 10 years spent in Nelson Marlborough as a general manager.  He has good working knowledge of Iwi/ Maori communities, has worked in the Treaty Sector and brings with him a business studies postgraduate degree.  In his spare time, Harold enjoys time with his whanau, reading books, watching movies and paddling on his Ocean 1 outrigger canoe.

Margareth Broodkoorn

Margareth Broodkoorn - Director of Nursing & Midwifery

Born in the Hokianga of Ngapuhi and Dutch descent, Margareth was raised in South Auckland returning permanently to Te Tai Tokerau in 2006.  Margareth trained as an RGON at Auckland Hospital, completing her degree at Unitec and Masters at the University of Auckland.

Her health career spans a range of clinical practice, health education, management and leadership roles.  Margareth’s clinical background includes haematology, general surgical, gynaecology and obstetrics theatre nursing. She has been a nurse educator with MIT and the UoA specialising in Kawa Whakaruruhau and Te Tiriti o Waitangi education. She has been a manager within Maori provider and community development settings and leadership roles with ADHB as a new graduate coordinator and the Associate Director of Nursing: Maori.

Appointed to the role of Director of Nursing and Midwifery in 2010, Margareth has the professional accountability and leadership for safe, high-quality nursing and midwifery practice that provides compassionate patient and family centred care.  She feels it is an honour to be the leader for nursing and midwifery in Te Tai Tokerau and is so proud to be part of a dynamic and passionate workforce. 

Her professional affiliations include membership with the College of Nurses of Aotearoa and Executive, Chair of the Northland branch and executive member of the National Council of Maori Nurses,  She is also a member of the NZNC Maori Advisory, NZNC Competency Review panellist, and a Health Practitioner Disciplinary Tribunal member.

Pip Zammit - Director of Allied Health, Scientific & Technical

Pip Zammit commenced her career in Northland upon graduating as a dental therapist in 1982.  In her role as a dental therapist, she has worked at Counties Manukau DHB and in a private periodontist practice. Pip returned to Northland in 1996 with her husband and was self-employed for four years.
Pip recommenced her dental therapy career with Northland DHB in 2000.  Pip has held a team leaders role in the oral health service and continues to hold a .5FTE role as oral health service manager.

Pip feels privileged to be employed as the first Director of Allied Health, Scientific and Technical at Northland DHB and to lead such a knowledgeable, passionate and motivated workforce.

Pip has a post graduate qualification in Māori health, has extensive experience in leadership and management roles and is a member of many national boards and committees. Pip lives in Kerikeri and enjoys everything the Bay of Islands and the Far North have on offer, especially in regards to sailing and the great outdoors.

Dr Andrew Miller – GP Representative

Andrew Miller has been a GP at Bush Road Medical Centre, Kamo, Whangarei since 1994 and worked for Northland DHB since 1995 as a Sexual Health Medical Officer and more recently as the Clinical Director of Information Services and the Clinical Lead for the Neighbourhood Healthcare Homes Programme. He is currently the Chairman of Manaia PHO and involved at a regional and national level with primary health strategic development with a special interest in patient centred information integration and interdisciplinary provider collaboration. He is a keen runner and fisherman but not particularly good at either of those things.

Dr Jenny Walker - Associate Chief Medical Officer

Jenny Walker worked for a year in Northland as a House Officer before completing her specialist training in Auckland and Baltimore. She returned with her family in 1997 as the first Renal Physician for Northland and oversaw a huge growth in the Service. She was Clinical Head of the Renal Unit until 2016 and has been involved in National Renal Committees. She was appointed as Clinical Services CD in 2014 and then Associate Chief Medical Officer in 2015. In that capacity Jenny Chairs the Reportable Events Committee and the Capital Expenditure Committee, as well as a variety of project work.


Dr Jo Coates - Clinical Director, Innovation and Transformation

Jo undertook her medical training and qualified as a Consultant Anaesthetist in the UK, primarily based in Yorkshire, although she spent a year in Palmerston North along the way as part of an extended working holiday. This sowed the seed for her subsequent emigration to New Zealand in 2012.
Moving initially to Blenheim to take up a post at Nelson-Marlborough DHB, she and her family headed to Northland in 2015, where Jo is one of the Specialist Anaesthetists.

Dr David Hammer- Clinical Director, Innovation and Transformation


Dr Chris Harmston - Clinical Director, Innovation and Transformation

Chris studied, trained and worked as a consultant General and Colorectal surgeon in the Midlands, UK. As a consultant at a large University teaching hospital, he had several leadership roles, including Clinical Lead for Colorectal Surgery and Clinical Director of Theatres, Major Trauma and Blood Transfusion. He moved to New Zealand in 2015 to join the General Surgical team and was appointed to the post of Clinical Director of Innovation and Transformation in 2017.

Dr Juliet Rumball-Smith - Director of Health Intelligence & Translational Medicine

Juliet is a public health physician and epidemiologist. After completing her public health training and PhD, she had roles in health policy research institutes at McGill University and University of Toronto, before coming to Northland DHB as Medical Officer of Health in 2014. Most recently she was the 2016-17 New Zealand Harkness Fellow in Healthcare Policy & Practice, based at the U.S. think-tank RAND Corp. Juliet has founded a national mentoring network for NZ women in medicine and health, Wāhine Connect. Her interests include equity in health care and health outcomes, the translation of evidence into clinical practice, quality of care, and the strategic use of health intelligence.

Liz Inch - Communications Manager

Liz has worked for Northland DHB since 2012.  An established career as an Enrolled Nurse has been followed by roles in stakeholder engagement, communications, marketing, event management and public relations with a strong focus in the media including broadcast television, video production, social media and radio. The communications team of four people is responsible for internal and external stakeholder engagement, community liaison, marketing (including advertising), media management, corporate publications and public relations.  Liz holds a Certificate in Marketing (NZDBS231), Certificate VI Workplace Training & Assessment, Foundation Certificate in Managing Successful Programmes and recently graduated from the Photography Institute with a Diploma in Professional Photography. 

Donovan Clarke - CEO - Manaia PHO


Jensen Webber - CEO - Te Tai Tokerau PHO

Liz Inch - Communications Manager

Liz Inch - Communications Manager

Liz Inch - Communications Manager

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