DONALD L. ANGLEHART is the manager of the Law Office of Donald L. Anglehart, LLC, located in Cambridge.  He represents manufacturers, energy companies, investors, banks and municipalities on a wide range of environmental and contract law issues.  He has over twenty-five years of experience in environmental infrastructure, litigation and regulatory matters, including prior experience at the U.S. Environmental Protection Agency and as general counsel of an alternative energy company.  His previous law firm affiliations include Testa, Hurwitz & Thibeault, where he was a partner and the chair of the environmental practice group from 1991 to 2005, and Gadsby & Hannah, where he was a partner and the chair of its environmental practice from 1984 to 1988. (February 2010)