I am a retired physician/scientist who holds the position of Emeritus Professor in Clinical Immunology in the UWA Medical School and School of Biomedical Sciences. I previously contributed to national and international clinical trials of therapies for HIV infection and disease caused by HIV infection. I have also supervised or contributed to research studies on the immunology of HIV disease in Australia and overseas (South Africa, USA, Malaysia, India, Cambodia and Mozambique), particularly immune reconstitution and disorders of immune reconstitution in HIV patients treated with antiretroviral therapy. In addition, I have conducted research on primary antibody deficiency disorders and currently contibute to research studies on antibody-mediated control of HIV infection and other pathogenic viruses and bacteria.