Regina has served on numerous health advisory committees and boards at the national and international level. She is a board member of The Ugandan Academy of Health Innovation and Impact, a board member of the International Pain Management Network (IPMN), past board member of International Alliance of Patients Organizations (IAPO). She is a founding member and the Chairperson of the Uganda Alliance of Patients Organisations (UAPO).
Regina is a Patient Safety Champion under the WHO Patient for Patient Safety (PFPS) program and a member of the WHO Patient Safety advisory group. She is one of the authors of the Patient safety chapter in the WHO-TDR report on Implementation Research for the control of diseases of poverty; strengthening the evidence base for the access and delivery of new and improved tools, strategies and interventions. Member of the Technical Working Group on Supervision, Monitoring Research and Evaluation and National Quality Improvement committee – Ministry of Health, Uganda.