About OGB

About OGB Consulting

With 20 years of experience working in the field of psychology and mental health, OGB Consulting provides forensic risk assessments to guide risk management strategies and therapy for young people and adults using a range of psychometrics and psychological risk assessment tools for future offending behaviour including domestic violence and sexual violence. OGB Consulting regularly undertakes expert witness work including quality assessment of forensic interviews with children.

Professional Qualifications & Memberships

  • Registered Forensic Psychologist- Health & Care Professions Council, HCPC
  • Graduate Psychologist- Division of Forensic Psychology, British Psychological Society, BPS
  • MPhil Forensic Psychology- Glasgow Caledonian University, 2010 (Research on individual differences in children’s criminal decision-making)
  • MSc Forensic Psychology- Glasgow Caledonian University, 2006 (Research on adolescent runaways with Grampian Police)
  • MA (Hons) Psychology- Aberdeen University, 1998 (Research on child development)

Research & Publications

  • Individual Differences in Children’s Decision-Making (MPhil thesis, 2010)
  • Adolescent Runaways (MSc thesis, 2006)
  • Infants’ Spatial Cognition (MA thesis, 1998)

Book Chapter

  • ‘Individual Differences in Children’s Decision-Making’- Olivia M. Gomes & Lisa A. Marshall. In, A. Czerederecka, T. Jaskiewicz-Obydzinska, R. Roesch & J. Wojcikiewicz (Eds.), Forensic Psychology and Law: Facing the Challenges of a Changing World (2004), Institute of Forensic Research Publishers, Kracow 2004.


  • ‘Individual Differences in Children’s Decision-Making’. Paper presented at European Association of Psychology & Law Annual Conference, Kracow, Poland 2004.
  • ‘Professionals’ Perceptions of the Age of Criminal Responsibility in Scotland’. Poster presentation at European Association of Psychology & Law Annual Conference, Leven, Belgium 2001.

We are a Forensic Psychology Consultancy
specialising in expert witness reports

Expert Witness

Child Interview Specialist

Read More


Advice & Therapy/Support

Read More

Children & Young People

Risk Assessment & Treatment/Therapy

Read More


Bespoke Training Delivery

Read More


Risk Assessment & Treatment/Therapy

Read More


Advice & Consultancy

Read More