Is an Associate Professor of Biochemistry at the department of Biochemistry, School of Medicine in the University of Nairobi. He is has supervised more than fifteen MSc and seven PhD students and currently supervises five PhDs in the field of Molecular virology and molecular sciences in general. He is a molecular virologist whose research work is based at the National Influenza Centre, Kenya Medical Research Institute (KEMRI) working in collaboration with the GEIS program, USAMRU-Kenya, on influenza and other respiratory pathogen surveillance in Kenya. He trained in the fields of Biochemistry (MSc) and Molecular Virology (PhD) and heads the National Influenza Centre Laboratory. He has conducted extensive surveillance in Kenya on respiratory pathogens and participated in major respiratory disease outbreak investigations in the region including the 2009 influenza pandemic for Republics of Kenya, Seychelles and Somalia. He is currently working on a number of projects setting up research and training programs on viruses in Kenya and the region.