Dr Dreosti graduated from Adelaide University and Flinders University with degrees in Law and Medicine before moving to Sydney where he commenced his specialist training in Radiation Oncology at St Vincent’s Hospital. He completed Clinical Fellowships in Singapore and Darwin gaining experience in accelerated partial breast irradiation (APBI) and he developed and implemented protocols for the use of intensity modulated radiotherapy (IMRT) in Head and Neck and Anal Cancer.
He then returned to Sydney as a Staff Specialist at the Liverpool and Macarthur Cancer Centres gaining broad experience working in a sub-specialised tertiary cancer centre including with Tomotherapy and stereotactic radiotherapy and carried a large breast and lung cancer clinical load.
Dr Dreosti is involved in both medical student and Registrar teaching and is a College Examiner. He is also a member of the College Accreditation Panel which accredits hospitals nationally as training centres for Registrars.
Dr Dreosti has returned to Adelaide and is a partner of the Adelaide Radiotherapy Centre (now known as Genesis Care). He is involved nationally within Genesis Cancer Care to ensure that the highest quality of radiotherapy is delivered in keeping with national protocols with a focus on standardisation and quality assurance. He works across all areas, with particular clinical interests in breast, lung, prostate and gastrointestinal cancers. He works out of the fully equipped Radiotherapy Clinics at South Terrace, Calvary Central Districts Hospital and the Tennyson Centre at Kurralta Park.