Thomas “Thom” M. Hanna, PG, is employed as a technical director for water well products/hydrogeologist for Johnson Screens where he works in areas of well design, construction, rehabilitation, and development. Before working for Johnson Screens, he worked for more than 20 years as a hydrogeologist for several groundwater consulting firms including Hydrologic Consultants Inc., S.S. Papadopulos & Associates Inc., and Golder Associates.
His experiences include hydrogeologic investigations, and design and optimization of well efficiencies for mine dewatering and water supply investigations. Hanna has authored or coauthored many publications including the Operational Stage of the Well, three chapters of the third edition of Groundwater & Wells, and numerous technical papers. He has been an instructor and invited lecturer for many groundwater organizations and universities.
Hanna received a B.S. in geology from Michigan State University and an M.S. in geology from Western Michigan University.