Our Executive Leadership Team

Chief Executive Officer 

An Intensive Care Paramedic by background, Abigail brings more than 15 years’ frontline ambulance experience and over a decade of executive leadership across disaster health, complex emergency operations and government systems, including service with the World Health Organization Emergency Medical Teams Secretariat in Geneva to the Territory's ambulance service.

For more than a decade, Abigail served as a Director and Mission Lead with the Australian Medical Assistance Team (AUSMAT), leading multidisciplinary teams across major domestic and international disasters. Her leadership has focused on operational reliability, clinical governance, workforce safety and disciplined execution in high-risk, high-scrutiny environments.

She has held senior executive roles with the Department of Justice Victoria and Respond Global and served as Chief of Staff to the Deputy Chief Minister of the Northern Territory, operating at the centre of government across complex policy and operational portfolios.

Appointed a Member of the Order of Australia in 2023, Abigail holds a Master of Public Health and Tropical Medicine and is completing a Doctor of Public Health focused on high-performance teams.

Group Chief Financial Officer 

Hasan brings over 14 years of senior financial and commercial management experience, spanning business process optimisation, statutory reporting, internal controls, risk management, IT, investment portfolio oversight, external audit, and contract administration.

He joined St John NT in July 2022 as Accounting Manager and was appointed Chief Financial Officer in February 2024. In this capacity, Hasan leads the organisation’s accounting, finance, and IT functions, driving performance, strengthening governance, and ensuring operational efficiency. He oversees financial management teams, system integration, and asset management, while maintaining strong stakeholder engagement and ensuring compliance with regulatory and contractual requirements. Hasan is committed to building sustainable financial frameworks that enable St John NT to deliver high-quality services to the community while positioning the organisation for long-term growth and resilience.

Director People & Culture 

With more than 25 years in Human Resources, Natalie is a strong leader, experienced in developing People and Culture teams with customer centricity and commercial awareness. Natalie joined St John NT in 2022 from the financial sector, she oversees recruitment and retention for St John NT as well as industrial relations, change management, employee relations, WHS and payroll. Natalie completed her practical legal training, was admitted to the legal profession and became a graduate of the Australian Institute of Company Directors in 2024.

Director Ambulance Services 

Craig is an experienced operational leader with over 35 years of service to our organisation. As Director Ambulance Services, he oversees the delivery and coordination of ambulance operations across the Northern Territory, informed by extensive experience gained through operational and volunteer leadership roles. 

Craig was awarded the Ambulance Service Medal in 2022 and is a Knight of the Order of St John. He is also a core contributor to the Finke Desert Race, supporting high-stakes medical planning and event operations.

Director Commercial Services 

Colin oversees St John NT’s commercial operations, spanning first aid training, sales, property management, purchasing, fleet, vehicle services, and warehousing. With extensive senior leadership experience and a proven track record in operational management and community engagement, he leads cross-functional teams across a geographically dispersed region. Colin is dedicated to cultivating a positive work culture and driving both organisational growth and community impact.

Director Strategy, Brand & Engagement 

Jeannette joined St John NT in 2019 and is responsible for proactive media engagement, issues management, marketing, internal and external communications as well as fundraising and community education. With more than 25 years of communication and public relations experience, Jeannette has led projects across the health, telecommunications, tourism, mining, government and not-for-profit sectors. She is passionate about safeguarding the organisation’s brand and reputation and building support and recognition through positive stakeholder and community engagement. 

Director Volunteer Event Health Services 

Mark has been with St John NT for more than 20 years. He joined the organisation in 1988 as a Junior volunteer in Alice Springs and in 2001 commenced as a full time Paramedic, before completing a Masters in Critical Care Paramedicine and a joining the on-road Critical Response Unit. He has a passion for volunteering and has held many positions within the St John Volunteer divisions across the Territory and as Commissioner. Mark looks after our Volunteer Event Health Services, which includes our Volunteers and First Aid coverage at community events. He has extensive knowledge of our Priory and is currently the Volunteer Youth Projects Officer with St John National.