Roger L. Olsen

Roger L. Olsen is a Senior Vice President in the Denver office of the global consulting, engineering, and construction firm CDM Smith Inc. He received his BS in Chemistry and PhD in Geochemistry from the Colorado School of Mines. He is a Board Certified Environmental Scientist by the American Academy of Environmental Engineers and Scientists, one of the first twenty scientists to be so certified. He has served as an Instructor at the Colorado School of Mines, a Research Chemist at Rockwell International, and a Project Geochemist at D’Appolonia Consulting Engineers/International Technology Corporation. He is author of dozens of published scientific papers and routinely makes presentations at scientific and engineering conferences around the world. He is an internationally recognized expert in the fields of geochemistry and environmental chemistry and has testified as an expert witness.