Director: Kellogg Schwab, PhD, MSPH, is an associate professor in the Department of Environmental Health Sciences at the Johns Hopkins Bloomberg School of Public Health. His research focuses on environmental microbiology with an emphasis on the fate and transport of pathogenic microorganisms in the environment. Applying advanced molecular diagnostic tools, he has developed and participated in multiple research projects designed to evaluate the public health impacts of improving water access and potable water quality; the effectiveness of point-of-use water treatment; and the health effects of inadequate management of human and animal waste. He earned his master’s and doctoral degrees at the University of North Carolina Chapel Hill School of Public Health followed by a postdoctoral fellowship at Baylor College of Medicine.

Associate Director: William P. Ball, PhD, MS, is a professor in the Department of Geography and Environmental Engineering at the Johns Hopkins University, who is a professional environmental engineer with research and teaching interests primarily in the area of physical/chemical processes. He received his BS degree in 1976 from the University of Virginia.  He received his MS (1977) and PhD (1990) degrees from Stanford University.  He has been at Johns Hopkins University since 1992. He worked previously on the faculty at Duke University (1989-92). Prior to his doctoral studies, he worked for five years with James M. Montgomery Consulting Engineers in the planning, design, and evaluation of water and wastewater treatment facilities.