Prof. Mark Gamsu

Leeds Beckett University

About the Speaker

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.

Tania Osborne

His Majesty’s Inspectorate of Prisons

About the Speaker

Tania Osborne is a senior healthcare professional and inspection lead at His Majesty’s Inspectorate of Prisons (HMI Prisons), where she serves as Head of Health and Social Care Inspection. In this role, she oversees inspections and reporting on the quality of health and social care provided to people in prisons and other places of detention across England and Wales.

Her work focuses on assessing whether detainees receive safe, effective and humane healthcare, and on identifying areas where services in custody settings need improvement. Osborne leads specialist inspection teams that include healthcare inspectors and contributes to national reports on prison healthcare standards and outcomes.

Within HMI Prisons, she is part of the senior leadership structure supporting the organisation’s wider mandate to ensure that detention conditions are safe, decent, and rehabilitative

Prof. Tammi Walker

Durham University

About the Speaker

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.

Grace Wilsher

We Are With You

About the Speaker

Grace Willsher is the Regional Head of YP Services (North) at WithYou. After a strong career in the VAWG sector, Grace joined WithYou in 2022 bringing a wealth of experience and knowledge in working with young people and safeguarding.

Grace has a particular interest in Ketamine and Young People having seen first hand the impact that it can have. WithYou is a drug, alcohol and mental health charity. With over 80 services across England and Scotland, they provide support and advice to more than 100,000 people a year. They are working towards a future free from harm caused by alcohol, drug and mental health challenges, where anyone seeking help feels welcomed, not judged.

Paula Harriott

Unlock

About the Speaker

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.