On May 15, 2016, Perma-Fix Environmental Services Inc, with the approval of the Board of Director, appointed Mr. Mark Duff to the position of Executive Vice President, where he will be responsible for supporting and accelerating growth in the Services Segment as well as providing leadership in diversification of the waste treatment group. Mr. Duff has 30 years of management and technical experience in the Department of Energy (DOE) and Department of Defense (DOD) environmental and construction markets as a corporate officer, senior project manager, co-founder of a consulting firm, and federal employee. Prior to the PGDP project, Mr. Duff was a senior manager supporting Babcock and Wilcox (B&W) leading several programs that included building teams to solve complex technical problems.