Professor Philippa Easterbrook is Senior Scientist in the Global Hepatitis Programme, HIV department at the World Health Organisation Headquarters in Geneva. For the last five years, she has led and coordinated the scientific research and programmatic vision in the development and dissemination of global normative guidance first on the use of antiretroviral therapy in adult, pregnant women and children; diagnosis and management of cryptococcal infection – a major cause of mortality in HIV-infection; and more recently on the care and treatment of hepatitis B and C infection and just launched hepatitis testing in low and middle-income countries. She also provides technical leadership and guidance to country Ministries of Health on the implementation of hepatitis testing and treatment scale-up and access programmes to lower cost diagnostics and drugs worldwide. She serves as vice-chair of the WHO Guidelines Review Committee. She graduated with first class honours in Biochemistry from University of London and then Distinction in Medicine from University of Cambridge, and completed her training in general medicine and infectious diseases in London, Oxford and Birmingham. As a Harkness fellow at Johns Hopkins University in the United States, she trained in public health and epidemiology, and was subsequently Senior Lecturer in Infectious Diseases and Epidemiology at Imperial College. For eleven years, she was Head of Department, Professor of HIV Medicine, and consultant physician in Infectious Diseases at King´s College London, and also served as Head of Research at the Infectious Diseases Institute, Makerere University, Kampala during a sabbatical. At the University of KwaZulu Natal, South Africa, she led a province-wide three year technical assistance and training programme for the rapid expansion of antiretroviral programmes in KwaZulu-Natal, supported by US Presidents Emergency Fund for AIDS Relief (PEPFAR). Her research programme has encompassed epidemiology, clinical trials, operational and qualitative research, as well as collaborative laboratory based studies on the mechanisms of resistance to HIV and “non-progression”. She has published more than 250 peer-reviewed articles, and three books, including a best seller “Basic Medical Sciences for MRCP”.