Jayantha Obeysekera served as chief modeler at the South Florida Water Management District as technical lead for climate-change and sea-level-rise issues. He served as a member of the federal advisory committee directing the development of the National Climate Assessment in 2014 and was a lead author for its Southeast Chapter. Obeysekera also served as a member of the Coastal Assessment Regional Scenario Working Group associated with the U.S. Department of Defense. He was also a co-author of the Global and Regional Sea Level Rise Scenarios for United States report published by National Oceanic and Atmospheric Administration in 2017. Obeysekera holds a bachelor’s degree in civil engineering from University of Sri Lanka, an M. Eng. from University of Roorkee, India, and a Ph.D. in civil engineering from Colorado State University with specialization in water resources. Currently he serves as an affiliate research professor at Florida Atlantic University. He has served a member of several committees of the U.S. National Academy of Science covering major water resources projects in Oregon, California, and Texas.