Our success and influence is driven by the amazing experts who work for World Cancer Research Fund International.

We have achieved this success through the high-quality work produced by the people we work with, both externally and within the organisation.

If you have a question about our work or that of our network of cancer charities, please contact us and we will be happy to help.

Marilyn Gentry, President, World Cancer Research Fund network

Marilyn is one of the founders of the World Cancer Research Fund network, which is responsible for helping transform public opinion to recognise that some cancers are preventable and not simply a matter of genetics or bad luck. She has dedicated more than 30 years to cancer prevention, by promoting authoritative global research and health information. Marilyn continues to provide strategic direction and leadership for the World Cancer Research Fund network.


Dr Panagiota Mitrou, Director of Research and Innovation

Dr Mitrou has a PhD in molecular epidemiology from the University of Cambridge and has written several papers in the area of diet and cancer. She previously held research positions at the National Cancer Institute in the US and at the University of Cambridge. She has worked at WCRF for over ten years in various senior positions within the science department. In her current role she also works closely with the Policy and Public Affairs team to ensure there is coherence between our science and policy activities.


Prof Martin Wiseman, Medical and Scientific Adviser

Martin is Visiting Professor in Human Nutrition at Southampton University and former Head of Nutrition at the Department of Health in England. He is one of the country’s leading experts on the links between food, nutrition, body weight, physical activity and cancer.


Kate Oldridge-Turner, Head of Policy and Public Affairs

Kate is currently on maternity leave. She has a background in human rights law and social policy, having worked in a wide variety of sectors including the food and drink industry, disability organisations, and sport and exercise at both UK and international level. She has a degree in combined social science from Durham University and a Masters in human rights law from SOAS.

Prior to joining World Cancer Research Fund International, Kate was Policy Manager at Leonard Cheshire. She previously lived in Rwanda for several years, working as an Advocacy Advisor for a disability organisation and worked at Sport England in policy and public affairs relating to community sport. In her spare time she is the Vice-Chair of the board of trustees for AbleChildAfrica.


Dr Helen Croker, Assistant Director of Research and Policy

Helen is a Registered Dietitian and has a PhD in epidemiology and public health from UCL. She previously worked as a Senior Research Fellow at UCL at the Institute of Child Health and the Department of Behavioural Science and Health. Her work has focused on obesity and nutrition, through a behavioural science lens, as well as carrying out policy-related research.

She has a broad range of experience, including developing and evaluating behavioural interventions; undertaking systematic literature reviews; dietary assessment; and carrying out quantitative, qualitative and experimental research. At WCRF, she is primarily supporting the implementation of the new phase of the Continuous Update Project.


World Cancer Research Fund network of cancer prevention charities