Our Director - Professor Jason Roach

Professor Jason Roach is a Professor of Crime & Policing in the Department of Behavioural and Social Sciences, School of Human and Health Sciences. He has been the Director of the Secure Societies Institute since November 2021 and is also currently the Director of the University’s Applied Criminology & Policing Centre. He is an established researcher who has been active in the criminological field for over twenty years and is an expert in policing. He is widely published having co-authored four books, nine book chapters, and written over 30 research papers on topics including self-selection policing, investigative decision making, criminal investigation, counter-terrorism, child homicide, crime prevention and many other policing and crime issues.

He has worked with police forces across the UK and works with the College of Policing and other national policing bodies. He is Editor-in Chief of the Police Journal.

He has lead a number of research projects: in 2021 he was Principal Investigator on ‘UK police wellbeing during Covid-19 survey’ funded by the National Police Wellbeing Service. He is currently PI for nudge research looking to increase uptake of referrals to Liaison and Diversion Services, by police cell detainees, funded by Staffordshire and is leading research looking at the high attrition rate of Rape and Serious Sexual Assault survivors from the CJS post charging offenders.

He chairs the SSI Steering Group, whose focus is on further developing the work of SSI, increasing membership and raising the public profile of the institute, both nationally and internationally.

Front cover of Self-Selection Policing, a book by Professor Jason Roach

Our Deputy Director – Dr Yun Gao

Dr Yun Gao works as an academic and an architect. She is a Reader in Architecture in the Department of Architecture and 3D Design, School of Arts and Humanities, and also an RIBA (Royal Institute of British Architects) Chartered Architect and ARB (Architects Registration Board) Registered Architect. She has research expertise in the design of socially responsible and environmentally sustainable built environment and has conducted research on the subject of safety and wellbeing of urban and rural spatial design. Dr Gao has authored a number of books including ‘Being There: On Cross Culture Architectural Design’ and ‘Architecture of Dai Nationality in Yunnan’. She was awarded research funding including British Academy funding to examine The Temporality of Building: Chinese Perspectives on Architecture and Heritage; an AHRC Research Networking Highlight for International Development, and a Higher Education Academy to publish a book on architectural education.

Dr Gao is also the Director of the Sustainable Living Research Centre, one of the university funded ASRI (Area of Strategic Research Importance) research centres in 2021.

To see her full professional profile, including publications go to: https://pure.hud.ac.uk/en/persons/yun-gao

Profile photo of Dr Yun Gao

Photo of a street with buildings showing Chinese architectural styles Yun is currently completing another book, co-authored with Professor Nicholas Temple, entitled The Temporality of Building: European and Chinese Perspectives on Architecture and Heritage, which will be published by Routledge in 2023.

Steering Group


Dr Katie Addinall

Lecturer in Applied Sciences


Professor Rachel Armitage

Professor, Department of Behavioural and Social Sciences


Dr Rosie Campbell OBE

Research Fellow with SSI


Dr Gareth Parkes

Reader in the Department of Chemical Sciences


Dr Simon Parkinson

Reader in Computer Science


Professor Paul Thomas

Professor of Youth and Policy and Associate Dean – Research and Enterprise for the School of Education and Professional Development


Professor Alex Nikitas

Professor, Department of Accounting, Finance, Logistics and Economics



Our Members

Our members


SSI National Advisory Group

SSI members list


Local Practitioners Advisory Group

People and partners who work with the SSI