Dr Steer is a medical oncologist working at Border Medical Oncology in Albury Wodonga. Christopher is the chair of the geriatric oncology interest group of the Clinical Oncological Society of Australia (COSA). He is actively involved in the International Society of Geriatric Oncology (SIOG) and is currently convener of the annual scientific meeting in Prague in November 2015. He is an editorial board member of the Journal of Geriatric Oncology. Christopher is the current president of the Private Cancer Physicians of Australia (PCPA) and until very recently was a member of the executive (honorary treasurer) of the Medical Oncology Group of Australia (MOGA).
Christopher is a principle investigator at the Border Medical Oncology research unit (BMORU). The BMORU has been recognized for innovation in clinical research particularly in delivering care to a rural/regional population. Christopher has led a pilot project of supportive care in older adults with cancer with funding from Cancer Australia.