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Senior Scientist
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Miscellaneous Information

Institute for International Programs (IIP)
Johns Hopkins Bloomberg School of Public Health
615 N. Wolfe Street, Baltimore, MD 21205

Neff Walker is currently a Senior Scientist in the Department of International Health. Before coming to Johns Hopkins University he spent four years at UNICEF as the Senior Advisor for estimation and modeling related to the impact of HIV/AIDS as well as serving as UNICEF's focal point for the Child Health Epidemiology Reference Group (CHERG). From 1998 through 2003, Neff worked as the Senior Advisor for statistics and modeling at United Nations Program on HIV/AIDS. In both positions a primary focus of his work was the development and implementation of standard methods for estimation and modeling related to disease burden. Prior to working at the United Nations, Neff spent 15 years working as a faculty member in the areas of computer science and human factors.  He also served as Co-Associate Director for Internal Relations and Assistant Professor at the Georgia Institute of Technology School of Psychology.  He earned his Ph.D. in Cognitive Psychology from Columbia University and has been an assistant professor at the American University of Beirut and a visiting assistant professor at the University of Michigan. He also has had research interests in movement control, computer-based tutorial systems to promote the acquisition of basic skills, and interpreting graphical representations.  Dr. Walker is also an editor for DCP3's Reproductive, Maternal, Newborn and Child Health publication.

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