Eva Steinle-Darling is a Vice President and Principal Technologist with Carollo Engineers. She has a BSE in Chemical Engineering from Princeton University and an M.S. and Ph.D. in Environmental Engineering from Stanford University, where she studied the removal of PFAS using nanofiltration membranes. Her work with Carollo focuses on advanced water treatment and reuse, including research, planning, feasibility studies, and design. Eva is leading Carollo's efforts to address clients' needs in responding to PFOS and PFOA contamination in drinking water, wastewater, and recycled water. She also is working on several of Carollo’s Water Research Foundation projects in which she is looking at, among many other things, the removal of PFAS through the advanced treatment train.