
Nathan Kitt
Group Chief Executive Officer
Nathan Kitt is the Managing Director of both First Choice Diagnostic Co. and Jem Health, under the legal entity Newport Medical Solutions Pty Ltd.
Nathan has led First Choice Diagnostic Co. since 2009, steadily growing it into the leading national provider of drug and alcohol testing, healthcare, and training services. With extensive experience in operations, compliance, and business development, he has been instrumental in maintaining NATA accreditation, modernising business operational processes through innovative IT solutions including Ai, and steering the company through complex industry challenges, as well as the COVID 19 pandemic.
Nathan acquired Jem Health in 2021, a national occupational medical business.
This complementary acquisition has strengthened both businesses and enhanced their collective capabilities. Nathan holds a Degree in Systems Technology and a Diploma in Business Management, bringing over 25 years of expertise in leadership, strategy, and workplace safety solutions.
Nathan has led First Choice Diagnostic Co. since 2009, steadily growing it into the leading national provider of drug and alcohol testing, healthcare, and training services. With extensive experience in operations, compliance, and business development, he has been instrumental in maintaining NATA accreditation, modernising business operational processes through innovative IT solutions including Ai, and steering the company through complex industry challenges, as well as the COVID 19 pandemic.
Nathan acquired Jem Health in 2021, a national occupational medical business.
This complementary acquisition has strengthened both businesses and enhanced their collective capabilities. Nathan holds a Degree in Systems Technology and a Diploma in Business Management, bringing over 25 years of expertise in leadership, strategy, and workplace safety solutions.

Georgina Gaussen
Chief Financial & Operating Officer
Georgina is a Fellow Chartered Accountant and senior leader/executive with a strong background in financial and operational excellence, transformation and leadership.
Georgina’s career started with KPMG and she spent 13 years with Qantas airlines across numerous roles. Following Qantas Georgina worked in the media industry and was part of the senior management team at both News Corp and Fairfax.
Georgina:
Georgina’s career started with KPMG and she spent 13 years with Qantas airlines across numerous roles. Following Qantas Georgina worked in the media industry and was part of the senior management team at both News Corp and Fairfax.
Georgina:
- Thrives in complex organisations requiring strategic direction and problem solving
- Executes outcomes through empowering and engaging contributors and stakeholders
- Functional experience includes Finance, Procurement, PMO, Governance, Marketing, Quality, Risk, Compliance, People & Culture inc Talent, Property, Maintenance, Supply Chain, Product and Technology
- Team and Culture
- Board experience – Treasurer and Director of Weldon Children’s Services and former Director of a digital subscription up
- Fellow Chartered Accountant and Graduate Certificate in Change Management

Jocelyn Yanko
General Manager of Operations
Having worked with Jem Health and its customers since 2013, Jocelyn has gained invaluable insight into the occupational health industry and what our customer base wants in a medical provider - fast bookings, fast results, ease of system use, and a personable team who can give you the answers you are looking for, all with the shared objective of ensuring worker health and safety.
With a background in Exercise and Sports Science, Jocelyn started her career at Jem Health as an on-site Health & Wellness Coordinator working in the regional and remote WA mining industry, before moving into the Occupational Health side of the company.
Fulfilling many roles over the years, Jocelyn now oversees our National Operations, working closely with our clients and key leadership team, to ensure client needs & requirements are communicated and met, and is always striving to ensure we continue to deliver the standard of service that Jem Health has always been renowned for.
With a background in Exercise and Sports Science, Jocelyn started her career at Jem Health as an on-site Health & Wellness Coordinator working in the regional and remote WA mining industry, before moving into the Occupational Health side of the company.
Fulfilling many roles over the years, Jocelyn now oversees our National Operations, working closely with our clients and key leadership team, to ensure client needs & requirements are communicated and met, and is always striving to ensure we continue to deliver the standard of service that Jem Health has always been renowned for.