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John Horvath

Australian medical practitioner, public servant and business executive

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About John Horvath

John Horvath was an Australian.

John Stephen Horvath is an Australian medical doctor and the Chief Medical Officer of Australia between 2003 and 2009. Horvath is Deputy Chairman of Crown Resorts Limited. Horvath is also Group Chief Medical Officer of Ramsay Health Care and a Director of the Ramsay Hospital Research Foundation and the Gallipoli Medical Research Foundation.

Horvath graduated from the University of Sydney with a Bachelor of Medicine, Bachelor of Surgery in 1968.

Career Horvath practiced for 30 years at Royal Prince Alfred Hospital in Sydney, including as director of renal and transplant services between 1997 and 2003. He is distinguished as having been the late Kerry Packer's nephrologist and was instrumental to the Royal Prince Alfred Hospital's profile as a kidney-transplantation facility.

Horvath was also deputy chair of the World Health Organization's international cancer research institute in Lyon in France.

Personal life Horvath is married to his classmate Professor Diana Horvath. After graduation and 3 years' practice as junior doctors in Sydney, the two worked together for 2 years at Johns Hopkins Hospital in Maryland in the United States before returning to Australia.

The Horvaths have two children, one of whom, Lisa, is a medical oncologist at the Chris O'Brien Lifehouse near the Royal Prince Alfred Hospital and a graduate of the Horvath's alma mater, the University of Sydney; another, Penny, is an arts/law graduate of the Australian National University.

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Important facts

Nationality
Education
University of Sydney, Sydney Medical School
Positions held
Chief Medical Officer
Awards
Officer of the Order of Australia
Also known as
John Stephen Horvath, John S Horvath

Family & relationships

Spouse
Diana Horvath

Frequently asked questions

Who was John Horvath?

Australian medical practitioner, public servant and business executive

What nationality was John Horvath?

John Horvath was Australian.

Sources & further reading

· Wikipedia: John Horvath

· Wikidata: Q96265016

· DBpedia: John Horvath (doctor)

Cite this page

APA: Biography.guide. (2026). John Horvath. https://biography.guide/john-horvath/

MLA: "John Horvath." Biography.guide, https://biography.guide/john-horvath/.

Chicago: "John Horvath." Biography.guide. https://biography.guide/john-horvath/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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