Riley provides field and technical support for a range of environmental projects, including remedial design efforts, field monitoring, reporting, and data analysis. He has an educational background in chemistry, water/wastewater treatment, and contaminated groundwater cleanup. Before joining GSI, Riley gained experience working on stormwater facilities, water infrastructure, and development projects for an engineering firm, and performed site inspections, soil infiltration testing, and lab work for a small geotechnical firm.