APNA Leadership Team


Ken Griffin

Chief Executive Officer

Ken has more than 20 years marketing, communications and government affairs experience in the healthcare, not-for-profit, pharmaceutical, beverage and logistics sectors. He has held multiple leadership roles and directed high-profile campaigns for large companies, patient groups and industry organisations.

Ken brings significant strategic capability to APNA and is a determined and passionate supporter of primary health care nursing.


Mitch Wall

General Manager, Member Services

Mitch brings to APNA his significant experience in the media, marketing and logistics industries. Having worked in the aftermath of natural disasters and terrorist attacks, Mitch is acutely aware of the important role nurses play in the recovery and maintenance of a healthy society.

Supported by a team of communications, production and marketing professionals, Mitch leads the Membership, Engagement, Education and Placements Team. Mitch and the team will seek to adapt APNA’s membership and education offering to the changing needs of Australia’s primary health care nurses both during and after the COVID-19 pandemic.


Sam Moses

Founder, Nurse Ambassador 

Sam Moses is a highly experienced registered nurse specialising in primary health care.  She is APNA’s Founder, was APNA’s Inaugural President and works as APNA’s Nurse Ambassador. 

Sam has worked in five Australian states throughout her career, in a multitude of settings, both rural and metropolitan.  She has been the director of a primary health care consulting company and the recipient of several primary health care nursing awards.

In 2001, Sam established APNA to address the need for nurses working in general practice to have a dedicated support network for, what was then, a unique area of primary health care nursing. She has played a crucial role in APNA’s development over the years into the amazing primary health care organisation it is today and remains committed to APNA and its very valued members, across all primary health care settings.  


Shanthi Gardiner

Policy Manager

Shanthi leads APNA’s policy activity, drawing on her significant experience in stakeholder relations and government affairs. A qualified Dietitian with a particular interest in health promotion and primary health care, Shanthi also holds a Master of Public Policy and Management.

Shanthi has worked with remote Indigenous communities in the Pilbara, where she designed and evaluated public health policies and programs focused on tobacco control and alcohol prevention. She has extensive experience in the health sector, previously holding senior policy positions within government departments and not-for profit organisations. Prior to moving to Western Australia, Shanthi was the National Policy Manager at the Heart Foundation.

She regularly shares her expertise in a voluntary capacity. Past committee memberships include the Public Health Association of Australia and the Dietitians Association of Australia.


Dinusha Nanayakkara

Finance Manager

Dinusha Nanayakkara is responsible for overall financial management of the Association, its financial reporting to external stakeholders as well as executive team and board of directors, monitoring of cash flow, fund management and preparation of annual budgets and projects budgets, and oversees human resources and office administration. Dinusha joined APNA in 2008 and is the organisation’s longest serving employee. 

Dinusha completed her undergraduate degree in Mathematics in Sri Lanka and worked as a management accountant for a leading vehicle distributing company before emigrating to Australia in 2005, when she completed a Master of Practice Accounting at Monash University. Dinusha has more than 12 years’ experience in the accounting field and is a member of CPA Australia and CIMA UK. 


Lisa Collison

Program Manager - Nursing in Primary Health Care and Nursing Support

Lisa is an experienced registered nurse who has worked for more than 25 years across multiple primary health care settings, in a variety of management, clinical, leadership and project roles. She has worked in both rural and urban locations and experienced a variety of culturally diverse demographics in practice settings which have influenced her career.

Lisa has been involved with APNA as a member and national representative since 2004 and joined APNA as an employee in 2014. Since then she has continued her strong commitment to supporting and raising the profile of nurses working in the primary health care sector.

As Program Manager – Nursing Support she is a member of the APNA Executive, leading a high performing professional team delivering programs and support that build capacity and promote reform and innovation amongst Australia’s primary health care nursing workforce, which aims to see primary health care services better equipped to address the health needs of Australian communities.

The Australian Primary Health Care Association acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. We pay our respects to elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.

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