Mr. Fio is a hydrogeologist with more than thirty years of experience in providing solutions to hydrologic challenges by analyzing groundwater systems, quantifying chemical transport in the subsurface, and evaluating groundwater surface-water interactions. He provides Sustainable Groundwater Management Act (SGMA) support for basins in California to assist with basin management, compliance with SGMA and Groundwater Sustainability Plan development. His tool box includes numerical modeling and chemical, isotopic, and age-dating techniques. He is highly skilled in groundwater-flow modeling, chemical fate and transport modeling and geochemical modeling. He also designs water management plans, establishes water quality monitoring programs, conducts and analyzes aquifer tests. His work is published in numerous peer-reviewed journal articles and government reports.