Data Science
Professor Ann John

Professor Ann John

Professor, Medicine

Telephone number

+44 (0) 1792 602568

Email address

Research Links

Available For Postgraduate Supervision


Ann holds a personal chair in Public Health and Psychiatry and is based in Population Data Science. She is a clinical epidemiologist with a background in public health and general practice. Her research focuses on suicide and self-harm prevention and the risks, protective factors and life course outcomes of children and young adults’ mental health. She leads the MQ funded Adolescent Mental Health Data Platform ( ) and the Suicide Information Database-Cymru. She is a Principal Investigator of the National Centre for Mental Health and the Wolfson Centre for Young People’s Mental Health. 

Ann leads a research programme with a focus on mental health data science. She is passionate about the translation of research into policy and practice. She is co-director of the Cochrane satellite for suicide and self-harm prevention and chairs the National Advisory Group on suicide and self-harm prevention to Welsh Government. Ann is a trustee of the Mental Health Foundation and a Fellow of the Faculty of Public Health and Learned Society of Wales.  

Ann has led and been involved in the development of several government and NHS-commissioned reports, policy documents and community resources.   

Areas Of Expertise

  • Suicide and self-harm prevention
  • Common mental disorders
  • Youth mental health
  • Epidemiology
  • Public health
  • Population data science