Duncan is a consultant Physician with a passion for infectious diseases. He has over 10 years of experience in clinical medicine, public health and academia. Currently he is the Senior Program Officer and Adult Care and Treatment team lead at the Centre of Excellence in HIV Medicine (CoEHM), University of Nairobi School of Medicine. He provides specialist services to patients living with HIV/AIDS referred to Kenyatta National Hospital. He also provides technical lead to ensure the program meets its targets. In previous positions, Duncan has worked as a Senior HIV/TB Technical Advisor in a USAID supported HIV program in Nairobi, Kenya overseeing 45 health facilities and more than 40,000 patients in care. He was also in charge of a Multi-drug resistant Tuberculosis program in western Kenya which pioneered community based treatment drug resistant tuberculosis in Kenya. At the county level, Duncan is the Chairman of the Nairobi Clinical HIV Technical Working Group where he provides clinical support and mentorship to clinicians in the county. He was also a panelist in the review of the Nairobi County HIV & AIDS Strategic Plan 2015-2019. Nationally, Duncan has been involved in the development and review of HIV and TB guidelines. He is an active participant in the Tuberculosis and HIV Technical Working that review treatment and prevention progress as well as share best practices in the field. In his spare time, Duncan is an avid reader and enjoys travelling to new places.