He began his career in the geotechnical and construction materials testing field and has broadened the scope of his involvement in environmental engineering to include geosynthetics technology with specialization in laboratory testing operations. Presently Mr. Allen serves as Division Manager for TRI’s geosynthetics program, which includes routine conformance testing services and chemical compatibility testing as well as sponsored R&D supported by government and industry.

He is a member of the ASTM International’s D35 Committee on Geosynthetic Materials. Over the last two decades Mr. Allen held committee leadership positions including D-35 Chair, Vice-Chair. Mr. Allen has also served the Convener of Working Group 5 on geosynthetic durability within ISO TC221. He currently serves on the Technical Advisory Board of Geosynthetics Magazine, a geosynthetics industry technical trade publication.

In addition, he serves on the Board of Directors of the Geosynthetics Institute in Philadelphia, Pennsylvania and is a member of the International Geosynthetics Society’s Council. Mr. Allen leads the international team of TRI-Environmental whose offices span the globe.