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Markis Research Director of Holdsworth House and has been with the business since 1992.He has been the Principal Investigator for over 180 Phase II to IV clinical trials, with 140 authored publications in scientific journals.

After gaining his MBBS from The University of Western Australia, Mark went on to obtain a master’s degree in HIV and Sexual Health from University of Sydney. He is currently Conjoint Associate Professor of Medicine at University of New South Wales and previously served as President of the Australasian Society for HIV Medicine (ASHM).

Mark has conducted clinical work which includes early treatment trials for HIV and the prevention of HIV through PrEP.

Outside of work, he enjoys travelling or spending time in nature.