Adam Janzen is an environmental engineer at Barr Engineering Company. He has over seven years of experience in groundwater flow and transport modeling with application to contaminated site assessment and remediation, water supply development, and open-pit mine dewatering. He is also one of the instructors for the ITRC’s Geospatial Analysis for Optimization at Environmental Sites web-based training and a co-author of the accompanying guidance document. Adam has a BS from the University of Illinois at Urbana-Champaign and a MS from Princeton University, both in Civil & Environmental Engineering. He is a licensed professional engineer in Minnesota and Ohio.