Professor Kotowicz is an experienced endocrinologist who graduated from the University of Sydney in 1976 and trained at Sydney Hospital, The Repatriation General Hospital (Concord) and the Prince Henry/Prince of Wales Hospital Group.  After completing his FRACP, he was appointed to Mayo Clinic and Foundation as a Senior Research Fellow in the Osteoporosis Research Unit under the direction of Professor Larry Riggs and LJ Melton III between 1987 and 1989. He was one of two fulltime clinical academics appointed to the University of Melbourne's Department of Medicine at Geelong and St Vincent's Hospitals in 1991.  He joined Deakin University in 2011 and remains a Principal Research Fellow at Melbourne University's Department of Medicine, Western Health.  He was the Director of the Department of Endocrinology and Diabetes at Barwon Health and Director of the Geelong Bone Densitometry Service 2011-2022. 

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As a clinical investigator, his research activities have focused on the pathophysiology, epidemiology and treatment of osteoporosis.  He designed and secured initial funding for the Geelong Osteoporosis Study and has been a principal investigator on the project since 1993.  He has presented data regularly at national and international scientific meetings with over 250 publications in the peer reviewed literature.  He has served on the NHMRC review panel since 1994 and on the Musculoskeletal Grant Review Panel in 2007.  He was a member of the Royal Australasian College of Physicians Specialist Advisory Committee in Endocrinology from 2003-2014. and chaired this committee and the Joint Endocrinology and Chemical Pathology Training Committee 2012-2014.  He is an active member of the Australian and New Zealand Bone and Mineral Society (ANZBMS), a member of the American Society for Bone and Mineral Research (ASBMR), the International Bone and Mineral Society, International Osteoporosis Foundation, European Calcified Tissue Society, the Endocrine Society, the Australian Diabetes Society and the Endocrine Society of Australia.  He has chaired the Therapeutics and Professional Affairs Committees of the ANZBMS and is a member of the Governance Committee of the Stop Osteoporosis Second Fracture Alliance and a committee member of the Australian ad New Zealand Fragility Fracture Register.

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Professor Kotowicz has admitting rights for St John of God Hospital, Epworth Geelong Hospital, and the University Hospital Geelong. He also admits medical patients through the oncall service at the Epworth. 

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Special interests include:

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• Disorders of calcium and bone

• Osteoporosis

• Type 1 and 2 Diabetes

• Androgen deficiency

• Thyroid cancer and other disorders

• Adrenal and pituitary disorders

• General endocrinology