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Gemma started out at the University of Birmingham, where she studied for a BSc in Sport and Exercise Science before completing a doctorate in Epidemiology. Gemma’s primary area of expertise is conducting large, school-based research studies on physical and mental health. Gemma joined King’s in 2015, having previously worked at Imperial College London as coordinator of a school-based study of cognitive development during adolescence. At King’s, Gemma coordinates the Resilience, Ethnicity and AdolesCent mental Health (REACH, study, a school-based cohort study of adolescent mental health in inner-city London. REACH is investigating risk and protective factors for mental health among young people from diverse backgrounds. Gemma also coordinates an extensive public engagement programme and advises on several other school-based projects at the Institute.  

Research Interests

  • Adolescent mental health  
  • Social inequalities in health 
  • Links between physical health and mental health 


  • Statistics for mental health research  
  • Epidemiology for mental health research