Patrick Sissons became Regius Professor of Physic and Head of the School of Clinical Medicine of the University of Cambridge, succeeding Professor Sir Keith Peters, on October 1, 2005.

Professor Patrick Sissons undertook his postgraduate clinical and research training in nephrology and immunology in the Department of Medicine at the Royal Postgraduate Medical School, London.  He then spent three years, funded by an NIH Fogarty Fellowship, at the Scripps Research Institute where he acquired an interest in the immunology and pathogenesis of persistent virus infections.  He was appointed as Reader and then Professor of Infectious Disease at the Royal Postgraduate Medical School in London. In 1988 he moved to the Professorship of Medicine in the University of Cambridge, where he established an academic Division of Infectious Disease within the Department of Medicine, and developed the Infectious Disease Service.  He has served on numerous national grants committees and advisory bodies and his personal research on the biology and pathogenesis of human Cytomegalovirus infection is supported by a UK Medical Research Council programme grant.