Kimberly Hamm is a partner in Mayer Brown’s Litigation & Dispute Resolution and Public Policy, Regulatory & Government Affairs practices. She also leads the firm’s congressional investigations group. Prior to joining Mayer Brown, Kim served as the General Counsel to U.S. House of Representatives Speaker Kevin McCarthy where she provided strategic guidance to House committees on congressional investigations and oversight, including issuance and enforcement of committee subpoenas to agencies and private parties. Before joining Speaker McCarthy’s senior team, Kim worked in the public policy group of a global asset management firm, where she led advocacy and external engagement in the areas of financial stability, corporate governance, and regulatory frameworks impacting mutual funds. Kim also served as Republican Chief Counsel for Investigations for the Senate Committee on Rules & Administration.
From 2019 to 2021, Kim was chief counsel to SEC Chairman Jay Clayton, where she oversaw regulatory initiatives across all divisions of the SEC, including the issuance of more than 45 final rules. She also advised on significant legal and policy matters, including cross-border regulation, financial stability risks, major market events, and congressional inquiries.
She also previously served for over four years at the House of Representatives’ Office of General Counsel, where she advised committees on all aspects of congressional investigations and handled litigation arising from subpoena disputes. Kim also represented the House, its members and committees in numerous grand jury, trial, and appellate proceedings on a wide range of other issues arising from official duties, including criminal investigations and constitutional litigation.
Kim began her legal career in the litigation department of an international law firm in London and New York, where she practiced for over a decade and advised clients on securities, compliance, antitrust, insurance, regulatory, and internal investigation matters.
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A Matter of Investigation: Congress’ Role in Overseeing the Executive Branch - A Conversation with General Counsels to the Speaker of the House
Capitol Hill Club300 First St SE
Washington, DC 20003