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William L. Parker

William L. Parker Esq.

William L. Parker Esq.

© Liz Linder

William L. Parker is co-chair of the firm's Commercial Law Department and a partner in the firm's Boston office. Prior to joining the firm, Mr. Parker was in private practice in Boston.

Formerly as assistant United States attorney in the Criminal and Civil Litigation Divisions, Mr. Parker represented the United States in over one hundred cases, including cases involving the Clean Air Act; the Comprehensive Environmental Response, Compensation and Liability Act; and its Massachusetts counterpart, Chapter 21E. As an assistant regional counsel in the Hazardous Waste Management Section of the United States Environmental Protection Agency, he represented the agency in numerous cases under the Resource Conservation and Recovery Act, the Toxic Substances Control Act, and the Emergency Planning and Community Right to Know Act. He has advised manufacturing and chemicals companies worldwide as an environmental consultant in the environmental, health and safety practices of Arthur D. Little, Inc.

Mr. Parker has taught as an adjunct professor of environmental litigation at Suffolk University Law School in Boston. In addition, he has lectured on environmental law and litigation before the Defense Research Institute, the Corporate Counsel Institute, the National Bar Association, and the Massachusetts Bar Association. Also, he has served as a financial analyst and executive intern for Manufacturers and Traders Trust Bank.

Mr. Parker holds an MS in management (finance) from the Arthur D. Little School of Management, an MA in law and diplomacy from the Fletcher School at Tufts University, a JD from the University of New York at Buffalo, and a BA in history from Amherst College.