
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.

Natalie Varga
East Coast Operations Manager
With extensive experience in the occupational health industry, Natalie has built her career from the ground up, beginning as an Occupational Health Assessor in 2021 before progressing through a range of leadership and management roles to her current position as East Coast Operations Manager.
Having worked across clinical operations, results management, assessor training and development, and area management, Natalie brings a well-rounded understanding of the requirements involved in delivering high quality pre-employment medical assessments. Her hands-on and operational experience allows her to understand the needs of clients, candidates and staff alike.
In her current role, Natalie oversees operational performance, supports Area Managers and teams across multiple states, and works closely with clients to ensure services are delivered efficiently, consistently and in line with industry standards. She is passionate about continuous improvement, developing strong teams, and maintaining high standards of quality, compliance and client service.
Having worked across clinical operations, results management, assessor training and development, and area management, Natalie brings a well-rounded understanding of the requirements involved in delivering high quality pre-employment medical assessments. Her hands-on and operational experience allows her to understand the needs of clients, candidates and staff alike.
In her current role, Natalie oversees operational performance, supports Area Managers and teams across multiple states, and works closely with clients to ensure services are delivered efficiently, consistently and in line with industry standards. She is passionate about continuous improvement, developing strong teams, and maintaining high standards of quality, compliance and client service.

Georgie Harden
WA Operations Manager
Georgie is an accomplished healthcare executive with over a decade of progressive leadership experience, and has led operations across corporate medical networks, private practices, and strategic advisory environments. Her career includes key leadership roles within multiple high-performing healthcare institutions across Western Australia and Queensland, where she has consistently delivered operational improvements and team development outcomes.
As an industry advisor and an independent healthcare consultant, she provides strategic insights into healthcare transformation, business optimisation, and industry trends. Georgie has been a contributor to advanced academic projects and clinical governance policy through membership on university service review and advisory groups. She is known for her strategic leadership, stakeholder engagement, and ability to navigate complex healthcare systems, bringing a proven track record of aligning operational execution with long-term organisational goals.
As Jem Health’s WA State Operations Manager, Georgie oversees state-wide service delivery, workforce management, and clinical governance, driving performance, compliance, and sustainable growth.
As an industry advisor and an independent healthcare consultant, she provides strategic insights into healthcare transformation, business optimisation, and industry trends. Georgie has been a contributor to advanced academic projects and clinical governance policy through membership on university service review and advisory groups. She is known for her strategic leadership, stakeholder engagement, and ability to navigate complex healthcare systems, bringing a proven track record of aligning operational execution with long-term organisational goals.
As Jem Health’s WA State Operations Manager, Georgie oversees state-wide service delivery, workforce management, and clinical governance, driving performance, compliance, and sustainable growth.

















