Prof. Mark Gamsu

Leeds Beckett University

Professor Mark Gamsu is Emeritus Professor at Leeds Beckett University and a public health specialist focused on reducing health inequalities.

His work centers on the social determinants of health and developing community-led, system-wide approaches to improving equity in health outcomes. He has extensive experience across academia and national health policy, with a strong emphasis on turning research into practical action.

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Prof. Tammi Walker

Durham University

Professor Tammi Walker is a Professor of Forensic Psychology at Durham University and Principal of St Cuthbert’s Society. 
She leads research on women in prisons and forensic mental health services, focusing on self-harm, severe mental illness, and health inequalities, with strong patient and public involvement.

She has published widely, including award-winning work on self-harm in women’s prisons, and is founding Series Editor of New Frontiers in Forensic Psychology.

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Paula Harriott

Unlock

Paula Harriott is CEO of Unlock, a charity supporting people with criminal records and challenging stigma and systemic barriers. She is a leading lived-experience advocate focused on criminal justice reform, human rights, and knowledge equity.

She co-hosts The Secret Life of Prisons, is an Associate at the University of Chester, and has founded and contributed to major lived-experience initiatives and publications in criminal justice.

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