John F. Bratton, PHD, PG, 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 sediment sites, data management and numerical modeling, and litigation support. He has worked as a consultant, researcher, educator, and science manager for over 30 years, especially in the Great Lakes, Northeast, and Pacific regions. John previously served as Acting Director of NOAA’s Great Lakes Environmental Research Laboratory and research vessel fleet, and as a research group leader with the Coastal and Marine Geology Program of the U.S. Geological Survey in Woods Hole, Massachusetts. He also holds an adjunct faculty appointment at Wayne State University in Detroit. John works at LimnoTech’s Corporate Headquarters in Ann Arbor, Michigan.