Dale Sandler, heads the Chronic Disease Epidemiology group and has been Chief of the Epidemiology Branch in the Division of Intramural Research at NIEHS since 2003. Sandler is adjunct professor of Epidemiology at the University of North Carolina at Chapel Hill, past editor of the journal, Epidemiology, and a past president of the American College of Epidemiology. Sandler has authored more than 230 articles in peer-reviewed journals. She received an M.P.H. from Yale University in 1975 and a Ph.D. in Epidemiology from The Johns Hopkins University in 1979. She received NIH Director's Awards in 2009 for developing the Sister Study and in 2011 for her work in developing the GuLF STUDY. She was selected NIEHS DIR Scientist of the Year in 2010.