John F. Bratton, Ph.D., is a Senior Scientist at LimnoTech with broad expertise in earth and environmental sciences, including successful leadership of projects involving large ecosystem restoration with a nutrient reduction focus, remedial investigation/remedial design for contaminated sites, and litigation support. He has worked as a consultant, researcher, educator, and science manager for over 25 years, especially in the Great Lakes and Northeast regions, and has contributed to over 100 scientific publications and research presentations. His specialties include Atlantic coastal and glacial geology, groundwater-surface water interaction and contaminant transformations, freshwater and ocean sediment geochemistry, environmental history on decade to century scales, and environmental law and policy.

John previously served as Deputy Director and Acting Director of NOAA’s Great Lakes Environmental Research Laboratory, and as a research group leader with the Coastal and Marine Geology Program of the U.S. Geological Survey in Woods Hole, Massachusetts.