David Wagger joined ISRI in 2005 and currently serves as Chief Scientist and Director of Environmental Management. He has more than 25 years of experience in environmental consulting, engineering, science, and regulation, including his tenure at ISRI. His activities include assisting members with environmental compliance and management, representing ISRI and the recycling industry on environmental regulatory matters at the federal and state levels, and serving on external science and technology advisory committees on behalf of ISRI and the industry. Wagger holds B.S. and Ph.D. degrees in chemical engineering from the University of California, Berkeley and MIT respectively. He was Phi Beta Kappa at UC Berkeley and a Fannie and John Hertz Foundation Fellow at MIT, with minors in political science and mechanical engineering.