New Zealand Health Group Executive Team

Josephine Gagan

Managing Director

Josephine is the longest-serving Chief Executive amongst the lead service providers in the New Zealand healthcare industry, and currently the Managing Director of the New Zealand Health Group (the country’s largest provider of Home and Community services, rehabilitation and behavioural support, health staffing, and training) that employs over 10,000 caregiving, nursing and other health professional staff.

Throughout her career, Josephine has been passionate about the Kaiāwhina workforce and has a vested interest in ensuring that the sector’s workforce has the appropriate mix of skills, training and qualifications to support future skills needs of the sector. She has been instrumental in working with District Health Boards, ACC, and the Ministry of Health with the strategic development of new service delivery models which use the Kaiāwhina differently and more effectively, and where qualifications need to be reflective of the strategic changes.

She is a seasoned and prominent industry leader who holds extensive relationships with all the funders, service providers, and community stakeholders across the sector within the Home and Community Support Services, Disability, Wellness and Rehabilitation space.

Her visionary leadership and contribution to the industry have been recognised by the New Zealand Women of Influence Awards as a finalist in 2015, and joined a select list of women inducted into the New Zealand Hall of Fame for Women Entrepreneurs in 2019.

As the Founder and former Chief Executive of Geneva Healthcare, Geneva has become a leading force in the industry known for technology-driven innovations and world-class healthcare services. Josephine has a keen focus on understanding the customer journey and enhancing it through new customer service innovations.

She also holds a Chair leadership role in the community with the Minds For Minds Trust. The Minds for Minds research network has set out to find the causes of ASD to help with diagnosis and contribute to the development of management options. The network encompasses a wide range of research activities and is set to expand its research efforts further. The Minds for Minds network aims to be a place for all those working on ASD in New Zealand to meet, share ideas, resources and build effective collaborations.

As a third-generation nurse, Jo inherited her desire to care for the community from her mother and grandmother. Before founding Geneva Healthcare, Jo had fifteen years of clinical nursing and health management experience in New Zealand and the United Kingdom.

She was also one of the first students to complete the post-graduate Diploma of Management (Health Services) at The University of Auckland’s Graduate School of Business.

Peter Radich

Chief Digital Officer

Peter has over 20 years of experience with IT vendors, senior IT private and publicly listed organisations. He has key experience with modern cloud based services, Business Intelligence and application development across Australia and New Zealand.

As the Group Chief Digital Officer, he provides support and advice to the Group CEO and the Board and is responsible for ICT strategy, development, operations. Peter works across the Group to improve efficiencies through standardisation, implementing the latest cloud solutions with a strong IT security mandate. This will enable the organisation to deliver innovative services to market while providing a stable and secure platform for the Group’s continued growth.  

Before joining the New Zealand Health Group, he was the Chief Information Officer for a large trans-Tasman publicly listed healthcare organisation which he lead into the cloud.

His leadership style is communicative, inclusive and open, believing that people are the heart of everything we do.

Warrick Jackson

Warrick Jackson

Chief Commercial Officer

“I take immense satisfaction knowing the work we do helps tens of thousands of people in need, every week.”

Warrick joined the team in October 2020 after a career in advisory and funds management.

As the Chief Commercial Officer, Warrick is responsible for group finance, procurement, real estate and M&A. In this role he works with the CEO and Board of Directors to deliver growth initiatives and great outcomes for our clients, staff and stakeholders.

Before joining NZ Health Group, Warrick spent ten years with PwC in their Corporate Finance team and prior to that worked in private market investments for fund manager AMP Capital.


Mike Peters

Group General Manager – People and Culture

Mike joined HealthCare New Zealand from Spotless Facility Services & Downer NZ. He held the dual role as General Manager Human Resources and General Manager Integration. He successfully led the overall integration of Spotless NZ into Downer NZ, encompassing business functions, people, processes and systems.

As an experienced human resources leader, Mike has held senior roles in prominent companies such as Fairfax Media, Fonterra and Goodman Fielder.

Mike’s experience in leading change, developing people and organisational development strategies, coupled with his “people focused” style brings tremendous value to HealthCare New Zealand. He has a strong focus on excellence, delivering results and building collaborative relationships across business and stakeholders such as the unions.

Mike was the winner of the HRINZ Young HR Practitioner of the Year Award in 2009/10.

Ranei Wineera-Parai

Ranei Wineera-Parai

Group Executive Cultural Advisor

Ranei is our Group Executive Cultural Advisor for New Zealand Health Group. She provides cultural support to ensure our clients, whānau, and staff, have cultural confidence in their care through good systems, policies, and clinical practice.

She brings over 20 years of experience working in primary healthcare and supporting cross-government agency service delivery improvements to address equity. Ranei also has a Bachelor of Laws (LLB) and a Masters in Public Management (MPM) from Victoria University.

Since joining New Zealand Health Group in 2021, Ranei’s focused on consolidating our approaches to be an active and improved Te Tiriti o Waitangi partner.

She supports partnerships and collaborations through shared approaches, service models and ensuring the Māori world view is visible and heard. Ranei participates in several governance groups, including Mana College Board of Trustees Chair, Whitireia WelTech and Partners Porirua Boards, Porirua Foundation, Te Pae Eastern Porirua Regeneration Panel Chair, Youth2Work Chair and President of the Maori Women’s Welfare League Ngati Toa branch.