Mr. Brown concentrates in environmental law, particularly in matters relating to permitting and compliance, air pollution, facility siting, environmental enforcement, and hazardous substance/waste regulation and cleanup, and the environmental aspects of business transactions, including environmental due diligence. Mr. Brown also represents clients in the defense of claims asserted by federal and state governmental agencies for cleanup costs, penalties, and other enforcement matters brought under the Clean Air Act, federal and state Superfund statutes, New York State Navigation Law, and the Clean Water Act.

Prior to joining the firm in 2001, Mr. Brown was in private practice in Washington, D.C. In 2000, Mr. Brown served in Azerbaijan as a liaison of the American Bar Association's Central and East European Law Initiative, assisting the government and private lawyers in that country's legal reform efforts, with an emphasis on the development of commercial law and reforming the judiciary.