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Minister, CEO and Executive

ACC is a Crown entity. It's governed by a Board that is responsible to the Minister for ACC. The Chief Executive reports to the Board.

Minister for ACC

Each year the Minister sends us a Letter of Agreement. It's the basis of our business planning process, and sets out the various areas Government would like us to focus on during the coming year eg, injury prevention.

Honourable Carmel Sepuloni

Minister for ACC, Minister for Social Development and Disability Issues, Associate Minister for Arts, Culture and Heritage and Pacific Peoples.

More about Hon Carmel Sepuloni

Associate Minister for ACC

Honourable Willie Jackson

Associate Minister for ACC, Minister of Māori Development, Associate Minister for Justice.

About Willie Jackson

The Executive

The Chief Executive leads the Executive. This is made up of senior managers from each of our business groups.

The Executive:

  • oversees the leadership and management
  • makes sure we achieve all goals. 

Acting Chief Executive

Mike Tully

Mike Tully is acting in the role of Chief Executive, and leads the executive. In his substantive role, Mike is the Chief Operating Officer.

About Mike

Mike joined ACC in 2009. He’s passionate about supporting genuine engagement between ACC and its customers and stakeholders, allowing us to achieve positive outcomes for all New Zealanders. As the Chief Operating Officer, he’s responsible for 2,700 people.

Before this, he:

  • held the role of Chief Customer Officer where he was responsible for the organisations ‘voice of the customer’ and the 150 staff working on the design of all ACC’s customer-facing activities
  • held the role of Head of Client Service Delivery where he was responsible for more than 2,000 staff across 25 branches, six short term claim centres and four service delivery processing centres
  • was the National Sales Manager at IAG NZ for 10 years with responsibility for claims, sales and support, and partnerships.

Chief Customer Officer

Emma Powell

The Chief Customer Officer focuses on:

  • designing our customer-focused activities
  • acting as the voice of the customer for our organisation.

About Emma

Joining ACC in 2010, Emma is passionate about supporting genuine engagement between ACC and its customers and stakeholders, allowing us to achieve positive outcomes for all New Zealanders. As the Chief Customer Officer Emma is responsible for approximately 200 staff.

Before this:

  • she held the role of Head of Injury Prevention Partnerships and Delivery where she had a focus across the violence, community, road, sport and falls portfolios. Emma was responsible for developing long lasting partnerships for ACC to make a significant difference in Injury Prevention
  • earlier in her career, Emma practised as a speech and language therapist and holds a Masters in Communication Disorders from Canterbury University.

Chief Financial Officer

John Healy

The Chief Financial Officer (CFO) provides financial leadership and supervision across ACC. He's in charge of:

  • finance activities including financial accounting and control
  • performance management, budgeting, forecasting and planning
  • procurement, decision support and investment.

About John

John joined ACC in April 2017. John is a full member of the Chartered Accountants Australia and New Zealand.

Before this, he:

  • had more than 20 years’ experience abroad, working mainly in the energy sector in the UK and Australia..
  • was Finance Director of the UK retail energy supplier EDF Energy, one of the UK’s largest energy companies and part of one of the world’s largest electricity producers, Electricité de France
  • had 11 years’ experience at one of the large international accounting firms, first working in Wellington and then abroad in Russia, Uzbekistan and the UK.

Chief Risk and Actuarial Officer

Herwig Raubal

The Chief Risk and Actuarial Officer oversees the Risk Management Office and Assurance Services, and makes sure all our risks are identified and managed.

He advises on operational and financial performance for:

  • funding policy
  • levy rates
  • other financial objectives.

About Herwig

Herwig joined ACC in February 2012.

Before this, he was the:

  • Chief Actuary at Tower Limited
  • Chief Actuary at Farmers’ Mutual group.

Chief Talent Officer

Sharon Champness

The Chief Talent Officer is in charge of all staff-related matters.

She combines all areas of talent management, including:

  • developing and leading the people strategy
  • health and safety
  • internal policy
  • organisation practices.

About Sharon

Sharon joined ACC in June 2017.  She's passionate about achieving organisational outcomes through effective engagement and management of people.

Sharon brings strong experience in:

  • shaping talent strategy
  • supporting significant organisational change
  • leading cultural transformation
  • improving work health and safety performance. 

Before this, she held:

  • the role of Director People and Workforce Strategy at the University of Newcastle from 2013
  • a number of senior human resources roles across the education, mining and manufacturing sectors in Australia.

Chief Technology and Innovation Officer

Peter Fletcher

The Chief Technology and Innovation Officer has end to end accountability for leading ACC’s Information Technology strategy development. He's accountable for defining the initiatives that will deliver on this strategy and for working with our strategic partners to deliver and manage the solutions required. He is also responsible for our Enterprise Portfolio Management Office (EPMO) which provides enterprise-wide support for programme and project governance and supports the business to deliver change.

About Peter

Peter is an experienced technology executive, with over 25 years leading technology change, mainly in financial services.

He joined ACC in January 2018, and is the Senior Responsible Officer for Analytics 2.0 and Eos 8.8 upgrade projects.

Before this, he:

  • was Group Manager, Technology for New Zealand Post for three years
  • held Chief Information roles with Westpac New Zealand and BNZ
  • had senior leadership roles for Barclay’s Bank in the UK and Singapore.

Chief Operating Officer (Acting)

As Acting Chief Operating Officer, Gabrielle O’Connor is in charge of:

  • leading ACC’s operational performance, ensuring delivery against the Service Agreement including alignment of Group business plans to the Service Agreement
  • leading the Operations Group to provide effective and efficient multi-channel operations across all three customer groups – Client, Business Customer and Provider
  • provides external claims management through third parties and Accredited Employers and manages and processes provider payments and weekly compensation
  • ACC’s Client, Business Customer and Provider transformation programme
  • internal communications to ACC on operational matters.

In her substantive role as Head of Client Recovery within the Operations Group, Gabrielle led the team responsible for delivering client services to injured New Zealanders. Her team’s focus is on improving client trust and confidence by providing exception customer experience; achieving excellent rehabilitation outcomes for injured people, and improving the effectiveness and efficiency of ACC’s frontline teams. 

Prior to becoming Head of Client Recovery, Gabrielle was Head of Operations Services from October 2015 to December 2016. 

Before joining ACC, she spent 16 years working overseas for multinational banking and financial services corporation Citi. She held several senior roles including Planning and Marketing (in Japan); custody operations and client services (Singapore); Chief Administration Officer in Securities and Funds Services (New York), and Operations Head in Investor Services (Scotland). 

Tumu Pae Ora (Chief Māori and Equity Officer)

Michelle Murray

Te Tumu Pae Ora, (The Chief Māori and Equity Officer) is in charge of developing and leading ACC’s Māori strategy, Whāia te Tika. This includes:

  • leading ACC’s relationships and partnerships with Māori organisations, leaders, iwi and providers; and
  • forming valuable connections with Māori leaders within the health sector, government agencies and DHBs.

About Michelle

Michelle joined ACC in April 2021 and brings a depth of experience in the health system, with a strong focus on kaupapa Māori initiatives.

Before this, she:

  • was the Chief Executive of two Primary Health Organisations (PHOs) to include the Eastern Bay Primary Health Alliance covering the Eastern Bay of Plenty rohe and most recently the Hauraki PHO covering the Waikato and Hauraki rohe;
  • worked within DHB Strategy and Funding and Kaupapa Māori NGO; and
  • Michelle has an MBA from the University of Waikato and a Post Graduate Diploma in Public Health from AUT.

Chief General Counsel

Vanessa Oakley

The Chief General Counsel’s key responsibilities include:

  • A key advisor and partner to the ACC Board, Board Committees, Chief Executive and Senior Leaders across strategic, operational, compliance, investment and commercial activities.
  • A leadership team member contributing to the strategic direction and performance of ACC and its external engagement.
  • A centre of excellence in legal, privacy and corporate secretariat.

About Vanessa

Vanessa joined ACC in March 2021. She joins ACC following an extensive career in corporate and public sector organisations in New Zealand and the United Kingdom.  Vanessa is a proven leader who builds people capability, engaged teams, navigates complexity, works with a wide range of stakeholders and delivers results in transforming organisations and changing ecosystems.

As an experienced General Counsel and General Manager, Vanessa has led a wide range of functions and enterprise wide programmes with around 20 years of world leading change experience in the dynamic telecommunications sector. 

Chief Investment Officer

Paul Dyer

The Chief Investment Officer has overall executive responsibility for the operation of ACC’s investment function. This includes making sure:

  • ACC’s investment fund delivers superior risk-adjusted returns on a sustainable basis to support ACC’s vision, values and purpose
  • that risks associated with ACC’s investments and associated operations are appropriately managed to protect investment returns and maintain and enhance ACC’s reputation. 

About Paul

Paul has been a member of the leadership group of the ACC Investment Team for the past seven years. Since November, he has been the Acting Chief Investment Officer. He has a deep understanding of the ACC investment fund’s role of making sure it has sufficient funds to help pay the future costs on injuries that have happened.

Before this, he was:

  • Chief Investment Officer of both AMP Capital Investors and the New Zealand Superannuation Fund

  • Chief Advisor to the Minister of Finance

  • an economist with the New Zealand Treasury and stockbroker Buttle Wilson (now UBS). 


Last published: 14 July 2021