Michael has been a medical oncologist for more than 30 years, specialising in the treatment of thoracic and head and neck cancers. He was appointed chief clinical officer at Chris O’Brien Lifehouse in 2011. Michael was the director of the Sydney Cancer Centre and former area director of Cancer Services for the Sydney South West Area Health Service. He also has an appointment as a clinical professor within the Central Clinical School of the University of Sydney. He is the conjoint chair of Medical Oncology and Thoracic Oncology at Lifehouse. In 2010, he was made a member of the Order of Australia for his work as an educator, a clinical trials researcher and involvement in the development of integrated care facilities for people suffering with cancer.