Martha Cochran joined Arnold & Porter LLP as a partner in the firm's legislative practice group in 1994. Since joining the firm, Ms. Cochran has represented numerous public corporations, trade associations, and individuals on legislative matters and in oversight investigations before the US Senate and House of Representatives. She also advises on government ethics, lobbying, and federal election law compliance, designs and counsels clients on the implementation of national government affairs compliance programs, and represents clients before the Federal Election Commission. Ms. Cochran also practices in the firm's corporate and securities practice group, conducts internal investigations, and has represented clients before the US Securities and Exchange Commission (SEC). Ms. Cochran served as Chief Counsel and Staff Director of the US Senate Subcommittee on Securities of the Committee on Banking, Housing and Urban Affairs (1989-1994) and was Senator Christopher Dodd's Legislative Director and Senior Domestic Policy Adviser (1987-1989). She also served as Senior Finance Counsel to the Subcommittee on Telecommunications, Consumer Protection and Finance of the US House of Representatives Energy and Commerce Committee (1981-1987). While working for Congress, Ms. Cochran directed legislative activities on a wide range of securities and banking issues, and directed and participated in the development of many legislative proposals that became public laws. Ms. Cochran also served as an attorney and special counsel in the Division of Enforcement, Securities and Exchange Commission (1975-1981).