Professor Samuels is the Director of the George Alleyne Chronic Disease Research Centre, Deputy Dean for Research and Graduate Programmes, Faculty of Medical Sciences at the University of the West Indies, Cave Hill campus Barbados and co-Principal Investigator of the IDRC (International Development Research Centre, Canada) funded evaluation of the CARICOM Heads of Government 2007 NCD Summit Declaration. She is a medical doctor, trained at UWI Mona. She holds a MPH (Masters in Public Health) and a PhD in Chronic Disease Epidemiology, both degrees awarded with honors from Johns Hopkins University.

Past employment includes Advisor in Chronic Diseases at PAHO/WHO, Director of Outcomes at XL Health, and managing Primary Health Care Services in the South East Region of the Ministry of Health, Jamaica.

She is currently a member of the Barbados National NCD (Non Communicable Diseases) Commission and the principal author of the Barbados Ministry of Health Strategic Plan of Action for the Prevention and Control of NCDs 2015-2019 as well as the CARICOM Regional NCD Plan 2010-2015.

Her research interests include diabetes quality of care, workplace wellness programmes, NCD policy, planning, monitoring and evaluation, including the role of behavioural and clinical interventions in the prevention and control of diabetes and hypertension.