Graham Cooke is NIHR Research Professor of Infectious Diseases based at Imperial College London, prior to which he was based at the Africa Health Research Institute in KwaZulu-Natal. Through his work on viral hepatitis, he is active in promoting access to medicine and is chair of the WHO Committee on the Selection and Use of Essential Medicines, responsible for updating and maintaining the WHO Essential Medicines List (EML). He led the Commission on Accelerating the Elimination of Viral Hepatitis, and is a member of the WHO COVID19 Guidelines Development Group.