Education: BA in German literature, California State University Fresno, 1968, Readings in public health and epidemiology under the guidance of the late Professor Frederick Dunn and the late Professor Donald Heyneman, University of California, San Francisco Medical Center, 1972, PhD in medical geography, University of California, Davis, 1977. Positions held: Research Associate, Department of Epidemiology and Biostatistics, University of California, San Francisco, 1972-now, Research Associate, Institute of Pathobiology, Addis Ababa University, 1972-1976, Assistant Professor, Department of International Health, University of California, San Francisco, 1978, Associate Professor, Department of Geography, Addis Ababa University, 1983-1991, Visiting Research Professor, Department of Public Health and Nursing, Federal University, Belo Horizonte, Brazil, 1996-2008, Consultancies: Ministry of Health, Nairobi, Kenya.: Consultant to an epidemiological study of schistosomiasis transmission, 1985-1987, /Ministry of Health, Cairo, Egypt/USAID. Participant of the SRP (Schistosomiasis Research Project) 1990-1999. USAID: Schistosomiasis Research Project (SRP), Teaching: I taught medical geography, resources, resources and conservation, and biogeography in the Geography Department of Geography of Addis Ababa University and presented guest lectures in the Depart. Of Community Health between 1983 and 1991. Research and publications:; I carried out field research on the ecology and epide