Dr RAJIB GHOSH
Specialist in Occupational and Environmental Medicine
Dr Rajib Ghosh brings over 25 years of experience in Occupational Medicine. He has lived, worked, and studied across India, Singapore, the UK, Australia, and New Zealand.
He holds master’s degrees in Public Health, Business, IT Management, Aerospace Medicine and Human Factors Engineering; a reflection of his broad expertise in both clinical and systems-based care.
Dr Ghosh is a Fellow of several respected organisations, including the Aerospace Medical Association (USA), Royal Aeronautical Society (UK), Australasian College of Aerospace Medicine, and the Australasian Faculty of Occupational and Environmental Medicine. He is also an Academician of the International Academy of Aviation and Space Medicine.
In New Zealand, he has spent over a decade supporting concussion and pain services and is a named provider for a range of services including vocational medical assessments, clinical care, and impairment evaluations.
In Australia, he is accredited by WorkSafe Victoria and Work Cover Tasmania for the provision of Independent Medical Examinations (IME) and Independent Impairment Assessments (IIA). He is trained in Impairment Assessment in AMA4, AMA5 and AMA6.
Dr ALEXANDER STAPLETON
Specialist General Practitioner and Specialist Urgent Care Physician
Dr Alexander Stapleton is a New Zealand–trained dual specialist whose work spans occupational health, primary care, urgent care, and clinical advisory practice. Based in New Plymouth, he brings a wide-ranging skill set shaped by frontline clinical experience and national-level leadership roles.
He holds Fellowships with both the Royal New Zealand College of Urgent Care (FRNZCUC) and the Royal New Zealand College of General Practitioners (FRNZCGP). He is also working toward Associate Fellowship (AFRACMA) with the Royal Australasian College of Medical Administrators, reflecting his commitment to advancing clinical governance and health-system improvement.
Dr Stapleton serves as a Medical Advisor to ACC and contributes to advisory and commissioning work within Health New Zealand (Te Whatu Ora). He is an Honorary Senior Lecturer with the New Zealand Graduate School of Medicine and undertakes specialist consultancy across occupational health, injury management, and health-sector innovation. He also sits on the New Zealand Clinical Senate, supporting national clinical leadership and policy development.
His practice places strong emphasis on safe and sustainable return-to-work pathways, evidence-based clinical decision-making, and delivering integrated, data-driven models of care that improve outcomes for workers, employers, and insurers. Alongside his broader clinical work, he has extensive experience in injury rehabilitation and musculoskeletal injury management.
Dr KATE MARGETTS
Occupational Medicine Registrar
Dr Kate Margetts is based in Dunedin and works in Occupational and Environmental Medicine, with a clinical background shaped by international and high-risk workplace environments.
She began her medical career in Travel Medicine, supporting workers operating in locations ranging from Antarctica to West Africa. This early work exposed her to the diverse and often complex health risks faced across industries. From veterinarians managing potential rabies exposure in Indonesia to undertakers deployed to large-scale disaster responses in developing nations. These experiences sparked a strong interest in how work influences health, and how health in turn shapes a person’s ability to work safely.
Dr Margetts holds a Diploma in Occupational Medicine from the University of Otago and is currently undertaking specialist training through the Australasian Faculty of Occupational and Environmental Medicine (AFOEM). She is an AMROA-certified Medical Review Officer, enabling her to assess and interpret workplace drug testing results, and is an Authorised Health Professional qualified to perform safety-critical railway medical assessments.
She is a member of the New Zealand and Australian Society of Occupational Medicine (ANZSOM) and continues to build expertise across fitness-for-work assessments, workplace risk management, and the evolving interface between health and employment.
Dr Margetts is committed to supporting individuals and organisations to navigate health and work in a way that is safe, practical, and sustainable.
Dr SARITA DARA
Specialist Aerospace Medicine, Occupational & Diving Medicine Physician and Human Factors Consultant
Dr Sarita Dara brings over two decades of international experience across Aerospace Medicine, Occupational Medicine, Diving Medicine, Public Health, and Human Factors. She has worked across multiple global health systems and now practises in New Zealand, supporting safety-critical industries where health, performance, and operational risk intersect.
Her clinical practice focuses on the assessment and management of workers in complex operational environments. She provides occupational health assessments, fitness-for-work evaluations, regulatory medical advice, and return-to-work support for individuals with diverse health conditions. Her approach is grounded in a strong understanding of regulatory frameworks, safety management systems, and the practical demands of high-risk industries.
Dr Dara holds an MD in Aerospace Medicine and has completed advanced postgraduate training spanning Occupational Medicine, Diving and Hyperbaric Medicine, Space Medicine, Public Health, and Human Factors Engineering, including a PhD in Human Factors Engineering. She has undertaken Space Medicine Physician Training with the European Space Agency and holds qualifications from institutions in Singapore, France, the United States, and New Zealand. She is also an AMROA-certified Medical Review Officer and an AMA4 Impairment Assessor.
She is a Fellow of the Royal Aeronautical Society (FRAeS), the Aerospace Medical Association (FAsMA), and the Australasian College of Aerospace Medicine (FACAsM), and is an Academician of the International Academy of Aviation and Space Medicine. She is also a Certified New Zealand Human Factors Professional.
Dr Dara’s work spans aerospace, diving, and other safety-critical sectors. Her areas of practice include space medicine, occupational and diving medicine, impairment assessment, independent medical examinations, fatigue risk management, Medical Review Officer services, and integrated human factors consultancy. She brings a systems-based approach to managing medical risk, supporting individuals and organisations to achieve safe and sustainable participation in work.
Dr HYUNA CHO
Specialist in Occupational and Environmental Medicine
Dr Cho is an Occupational and Environmental Medicine specialist based in Tauranga. She brings 18 years of clinical experience developed primarily in South Korea across tertiary hospitals, academic institutions, regulatory advisory roles, and private occupational health practice.
She completed four years of formal specialist residency training in Occupational and Environmental Medicine and subsequently practised for approximately ten years as a consultant occupational physician across hospital-based and contracted industry settings. Alongside her clinical work, she held academic appointments as a Clinical Assistant Professor at Daejeon Eulji Medical Center and Adjunct Assistant Professor at Eulji University School of Medicine, contributing to undergraduate medical teaching and supervision.
Dr Cho is registered with the Medical Council of New Zealand under Provisional General Scope and is progressing toward vocational registration in Occupational Medicine. She is also a member of the Australian and New Zealand Society of Occupational Medicine.
Dr Cho has worked extensively with safety-critical and highly regulated organisations across nuclear safety, aerospace research, chemical research, manufacturing, and public-sector environments.
Her focus is on supporting safe, evidence-based, and sustainable participation in work for individuals, employers, and insurers.
Dr HARDEEP S HUNDAL
Specialist, Aerospace Medicine and Occupational and Environmental Medicine
Dr Hundal completed his medical degree at the Royal College of Surgeons in Ireland in 2008. He is currently Chief Medical Officer at Air New Zealand, a role he has held since January 2024, and has been with the airline for over 10 years.
He is an Occupational & Environmental Physician with the Royal Australasian College of Physicians and an Aviation Medical Specialist with the Australasian College of Aerospace Medicine. He holds a Post-Graduate Diploma in Occupational Medicine (2015) and a Master of Aviation Medicine (2017) from the University of Otago.
Dr Hundal’s clinical background includes family medicine, emergency medicine, internal medicine and surgical specialties across Auckland, New Plymouth and Dublin. His work focuses on occupational health in safety-critical industries, with particular expertise in aviation medicine and workforce fitness.
Prior to studying medicine, he completed Chemical Engineering at University College London and worked in the oil and gas industry, giving him a strong understanding of complex, high-risk operating environments.
Outside of work, he enjoys time with his family and building and collecting model aircraft.
