Dr. Stephanie Barker

Associate Lecturer in Health Promotion

Stephanie is an Associate Lecturer in Health Promotion, helping to deliver content for the Gateway cohorts, specifically on the 'Introduction to Clinical Health' lecture. She works closely with the rest of the School of Chiropractic team.


Stephanie is a Counselling Psychologist who mainly works within homelessness and addiction. She completed her undergraduate degree in Canada, clinical training in Chicago, and PhD in Southampton. Stephanie completed her PhD research on peer support, examining change mechanisms that underpin effective peer programmes.

Stephanie has taught psychology courses and supervises undergraduate and graduate research projects across different topics.

Additionally, Stephanie is also a director of the social enterprise OutcomeHome, who works to reduce homelessness and its effects through psychological support. She also runs a peer mentoring program in Basingstoke – working with people who have previous experience of homelessness to help those who are currently struggling with homelessness and its impacts.


  • PhD, Psychology, University of Southampton
  • Masters of arts, Counselling Psychology, Alder University, USA
  • Bachelor of Arts, Psychology, St Mary's University, Canada 


  • HCPC – Counselling Psychologist

  • British Association of Counselling and Psychotherapy registered member

  • British Psychological Society Member

Research interests 

Stephanie’s research interests are around homelessness and its impacts on mental, physical, and psychological health; peer support/mentorship; healthcare systems; and qualitative research.

  • Homelessness (and its impacts on mental and/or physical health)
  • Peer support
  • Addiction
  • Healthcare systems and community engaged healthcare
  • Reflective practice for professionals


Barker, S. L., Maguire, N., Gearing, R. E., Cheung, M., Price, D., Narendorf, S. C., & Buck, D. S. (2021). Community-engaged healthcare model for currently under-served individuals involved in the healthcare system. SSM-Population Health, 100905.

Barker, S. L., Bishop, F.L., Stopa, L., Bodley Scott, LE Maguire, N. J., (2020). Identifying Change Mechanisms in Intentional Unidirectional Peer Support: A Realist Review. European Journal of Homelessness _ Volume, 14(2).

Barker, S. L. & Maguire, N. J. (2020) Impact of COVID-19 (Coronavirus) on homelessness and the private rented sector. Written evidence for a Parliamentary Enquiry. Ministry of Housing, Communities and Local Government

Barker, S. L., Maguire, N. J., Das, S., Bryant, V., Mahata, K., & Buck, D. S. (2019). Values-Based Interventions in Patient Engagement for Those with Complex Needs. Population Health Management. doi: 10.1089/pop.2019.0084

Barker, S. L., Maguire, N. J., Bishop, F.L., & Stopa, L. (2018). Expert viewpoints of peer support for people experiencing homelessness: A Q sort study. Psychological Services. doi: 10.1037/ser0000258

Barker, S. L., Maguire, N., Bishop, F. L., & Stopa, L. (2018). Critical elements of peer support and the experience of peer-supporters helping the homeless: A qualitative study. Journal of Community and Applied Social Psychology, 1-17. doi: 10.1002/casp.2353

Barker, S. L., & Maguire, N. J. (2017). Experts by experience: Peer support and its use with the homeless. Community Mental Health Journal. doi: 10.1007/s10597-017-0102-2

Barker, S. L. (2017). Peer-support: learning more about what works. Queens Nursing Institute Newsletter. Issue 51. https://www.qni.org.uk/wp-content/uploads/2016/09/Homeless-Health-News-51.pdf

Barker, S.L. (2012). Neuromarketing: Emotional Advertising. The Attic: The St. Mary’s University College Journal of Undergraduate Papers, November 12, 2012.

Barker, S.L. (2011). Explanations for Stereotypical Behaviors in Children. The Attic: The St. Mary's University College Journal of Undergraduate Papers, November 7, 2011, 5-11.

Contact Details 

  • sbarker@Aecc.ac.uk
  • @stephLbarker - Twitter