Charlotte Haug gained an MD from the University of Oslo 1985, and was awarded a PhD in infectious diseases and immunology from the same university in 1999. From 1985 Charlotte worked for 10 years in clinical medicine and research at the National Hospital in Norway. For the next five years she worked in the organisation, priority setting and supervision of healthcare systems in Norway as well as globally, working for both the National Board of Health and the Department of Health in Norway.
From 1998–99, Charlotte attended Stanford University, USA, and was awarded an MSc in Health Services Research with an emphasis on health economy, organisation and prioritisation in health care as well as biostatistics. When she returned to Norway, Charlotte was appointed head of the section for specialised health care at the Norwegian National Board of Health, which supervises quality of care in hospitals in Norway. She then went on to supervise health policy research at SINTEF Unimed. The SINTEF Group is the largest independent research organisation in Scandinavia. Her research concentrated on international comparative studies of healthcare systems.
From 2002-2015, Charlotte was full-time Editor-in-Chief of the Journal of the Norwegian Medical Association, the only peer-reviewed general medical journal in Norway, and a member of International Committee of Medical Journal Editors (ICMJE, 'the Vancouver Group'). Charlotte has been a Council Member of the Committee on Publication Ethics (COPE) since 2005 and the COPE vice-chair since 2012.