Ronald Reverlyn Olufemi Carshon-Marsh is the Programme Manager of the National Malaria Control Programme in Sierra Leone. He was previously the District Medical Officer in Bo District, Sierra Leone. He studied medicine at the College of Medicine and Allied Health Sciences (COMAHS), Sierra Leone, graduating in 2008. In December 2013, he graduated with a Masters of International Public Health from the University of Queensland, Australia. In 2017, he did a four-week advanced postgraduate training course in Capacity Development on Health Systems Planning at Tokai University, Yokohama, Japan. He also attended the Queen Elizabeth Scholars Global Health and Mortality Summer Institute at the University of Toronto, Canada, in May 2019. He has served as Medical Superintendent and District Medical Officer in many districts over the past 14 years. He is part of the research team implementing the Countrywide Mortality Surveillance for Action (COMSA) project with CGHR, University of Toronto.