George R. Koerner, PhD, PE is Director of the Geosynthetic Institute (GSI). He is in charge of laboratory accreditation, field certification and continuing education at GSI, is an internationally recognized expert in geosynthetics and CQA, a leading researcher in the field, and author or co-author of more than 350 technical papers. Dr. Koerner has received numerous awards for engineering, research, and field contribution across a four-decade career. He was named a Fellow of ASTM International in 2013 and is a registered professional engineer and certified quality auditor.