Hillol Guha, Ph.D., PG, Leggette, Brashears & Graham, Inc Dr. Guha is a Senior Hydrogeologist/Modeler in the Shelton, Connecticut office of Leggette, Brashears & Graham, Inc. (LBG), a professional ground-water and environmental engineering services firm. He specializes in water supply development, testing, effluent disposal and reuse, contaminant transport, ground-water and surface water modeling. Previously, Dr. Guha was a Senior Hydrogeologic Modeler for Miami-Dade County, Florida, where he developed regional and local integrated ground-water/surface water models for wellfield protection programs and salinity intrusion impacts. He has also worked on numerous Department of Energy funded projects such as bioremediation of heavy metals and radionuclides, and has developed reactive transport codes integrating hydrogeology, biology, and geochemistry. Dr. Guha has published many of his work in peer-reviewed journals. Dr. Guha is a Certified Professional Hydrologist by the American Institute of Hydrology and a Certified Professional Geologist by the American State Board of Geologists in Florida. He has a B.S. degree in Geology from the University of Calcutta, an M.S. degree in Applied Geology from the Indian Institute of Technology, and an M.S. degree in Hydrogeology from Western Michigan University. He received his Ph.D. in Hydrogeology from Florida International University. He is a member of the American Institute of Hydrology, Geological Society of America, American Geophysical Union, and the National Groundwater Association.