Mr. Valentine represents a wide variety of clients in a broad range of legislative, regulatory, administrative, litigation and government enforcement matters before the federal government. His clients include major corporations, trade associations and business coalitions. He has also represented a number of prominent individuals, including a federal judge in her personal capacity and the prime minister of a foreign government.

Mr. Walsh is a government affairs counselor in the firm's Washington, D.C. office. He was elected to the U.S. House of Representatives where he served from 1989 to 2009. During his tenure in Congress, Mr. Walsh served as a deputy Republican whip from 1994-2006. He was appointed as a member of the powerful House Appropriations Committee where he served from 1993-2009. During that time he became Chairman of four House Appropriations Subcommittees: District of Columbia; Legislative Branch; VA, HUD and Independent Agencies (NASA, EPA, FEMA, NSF, Selective Service); and Military Quality of Life (included jurisdiction for Military Base Construction, the Defense Health Program, and Housing Accounts) and Veterans Affairs. He also served as ranking Republican member of the Labor, Health and Human Services Subcommittee on Appropriations. Earlier in his career in Congress Mr. Walsh served on the House Agriculture Committee, the Select Committee on Children, Youth and Families and on the House Administration Committee.

Distinguished Alumni Award, American University, Washington College of Law, 2014
Department of Commerce Bronze Medal (2004), Silver Medal (1997), and General Counsel (1995) awards

Board of Directors, Trade Policy Forum, 2010 to present; Vice President, 2016 to present
Member, Women in International Trade
Member, Washington International Trade Association

Prior to joining K&L Gates, Ms. Ettinger served as a senior legal and policy advisor to Senator Charles Schumer, including as Chief Counsel of the United States Senate Committee on Rules and Administration, and as Deputy Staff Director of the Joint Economic Committee.

Prior to joining the Senator's legislative team, she served as a senior legal advisor at the U.S. Department of Commerce. Ms. Ettinger advised agency officials on the interpretation and application of U.S. and foreign trade rules, supervised dispute settlement proceedings before the World Trade Organization, and represented the United States in international trade negotiations.

Jeff Denham is a government affairs counselor in the firm's Washington, D.C. office. A member of the public policy and law practice group, he brings significant transportation and infrastructure policy, agriculture, natural resources, and energy experience to the firm.

He was elected to the U.S. House of Representatives where he served four terms, from 2010 to 2018, representing California's 10th and formerly 19th districts. He was a member of the Transportation and Infrastructure Committee, where he was the chairman of the Subcommittee on Railroads, Pipelines, and Hazardous Materials and the Subcommittee on Economic Development, Public Buildings and Emergency Management. He was also a member of the Agriculture, Natural Resources, and Veterans' Affairs Committees. During his eight years in Congress, Mr. Denham helped draft dozens of bills that were subsequently signed into law, such as the 2012 Veterans Skills to Jobs Act; the 2015 Fixing America's Surface Transportation (FAST) Act; the 2018 ENLIST Act; and Stafford Act revisions as a part of the 2013 Sandy Recovery Improvement Act.

From 2001 to 2009, before his election to the U.S. House of Representatives, he was a member of the California State Senate, representing the 12th District of California which encompassed the counties of Monterey, San Benito, Madera, Merced, and Stanislaus. He was chairman of the Agriculture Committee and Veterans' Affairs Committee and focused on issues that included education, government waste, agriculture, and economic development.

A Staff Sergeant in the United States Air Force, he served in Operation Desert Storm with the 452nd Air Force Refueling Wing and was awarded a Meritorious Service Medal, the Kuwait Liberation Medal, and various campaign medals for combat duty. Additionally, he served in Operation Restore Hope with the 349th AMW and was awarded a second Meritorious Service Medal and various campaign medals for duty.

Mr. Denham is the Founder of Denham Plastics LLC, a full-service provider of plastic material handling solutions, in addition to owning an almond farm in California.

Emanuel ("Manny") Rouvelas engages in a wide-ranging law and lobby practice representing leading companies and trade associations in transportation, telecommunications, high technology, hospitality, and manufacturing. For four decades, he has traveled globally to more than forty countries advising clients and working with U.S. administrations, Congresses, and American and foreign embassies and governments.

He is a founding member of both the public policy and maritime law practices of K&L Gates, each consistently ranked nationally as among the best, most effective and highly regarded in the United States. Mr. Rouvelas is personally ranked as one of the country's top lawyers in both maritime law and in government affairs by Best Lawyers in America, Super Lawyers, and Legal 500. In addition, in its 30th year anniversary edition, Legal Times newspaper recognized him as "one of the greatest Washington lawyers of the past 30 years," a "legal visionary," who helped turn Washington, D.C.'s legal and lobbying community into an international powerhouse. From 2005 - 2018 he has been named a "Top Lobbyist" by The Hill newspaper based on surveys of members of Congress and staff. In 2019 Chambers USA ranked him in the top band of three lawyers nationally in Government Relations and in the top band of five lawyers in Transportation: Shipping/Maritime: Regulatory.

Prior to joining K&L Gates, he was counsel to the U.S. Senate Committee on Commerce and chief counsel to its Merchant Marine and Foreign Commerce Subcommittees where he had lead staff responsibility for the enactment of thirty-two public laws. Included was major legislation relating to vessel construction and operation, oil spill prevention, vessel traffic systems, recreational boat safety, Coast Guard, and Maritime Administration programs.

Mr. Rouvelas has served as an advisor to two U.S. presidential transitions, a bipartisan Congressional caucus, an executive branch reorganization, several senators and congressmen, and many political campaigns In 2016 he served on the Bipartisan Policy Center's working group, "Selecting a Vice President: Balancing Politics and Prudence." An honors graduate of the University of Washington, Harvard Law School, and participant in the Advanced Management Program at Harvard Business School and the Program on Corporate Governance for Directors at Stanford Business School, Mr. Rouvelas has long been committed to the importance of strong ethical governance in both the public and private sectors. He has taught, lectured, and counseled clients on governance issues. He has twenty years of experience serving on the boards of directors of three U.S. publicly traded companies and thirty years of service on the boards of directors of nonprofit charitable organizations, including the American Architectural Foundation, Greater Washington Board of Trade, National Hellenic Society, Smithsonian National Zoological Park and Conservation Biology Institute, and Washington Monthly magazine. He is a lifetime trustee, former vice-chair of the board, and visiting professor at the American College of Greece in Athens.

His numerous professional, industry, and public service awards include the American Hellenic Institute's Heritage and National Public Service Award, United Seamen's Service Admiral of the Ocean Sea Award, and the Association of Government Relations Professionals (AGRP) Career Achievement Award.

Ms. Garvie was honored by the D.C. Women's Bar Association as a "Star of the Bar" for her professional achievement and service to the Washington community.

Before joining the firm, she was chief counsel to the Subcommittees on Aviation; Surface Transportation; and Business, Trade, and Tourism of the Committee on Commerce, Science, and Transportation of the U.S. Senate, as well as counsel to the full committee. During her tenure with the committee from 1981 to 1987, she advised the senators on virtually all legislation affecting the regulation of the railroad, airline and trucking industries, as well as legislation providing for the sale of Conrail and the Alaska Railroad, and the transfer of Dulles and National Airports in Washington, D.C.

From 1978 to 1980 Ms. Garvie worked as an attorney in the Office of the General Counsel at the Interstate Commerce Commission. In 1980, she was detailed from the commission to the Senate Commerce Committee and the House Transportation Committee to help develop and draft the Motor Carrier Act of 1980 and other transportation legislation. She also served as counsel to former U.S. Congressman Robert B. Duncan of Oregon from 1976 to 1978.

Mr. Potter is a government affairs analyst at K&L Gates and focuses on federal policy. He represents corporate, trade association and non-profit clients on a wide range of issues before both houses of Congress as well as the Executive Branch. He works with the firm's clients and lobbyists to design and implement legislative strategies and proposals to develop Congressional and grassroots support for client priorities and counsels clients with regard to advocating issues before Congress. He has assisted numerous clients in securing and increasing federal funding for priorities ranging from development of energy efficient technologies to security preparedness.

For nine years, Mr. Potter has served as the pro bono government affairs advisor to the USA Science & Engineering Festival, the nation's largest effort to attract America's youth to careers in science, technology, engineering, and math (STEM). Under his leadership, the Festival's inaugural Washington, D.C. Expo in 2010 featured the participation of 50 federal government agencies. That year, the U.S. Senate and House unanimously passed resolutions of support for the Festival. The most recent Festival Expo in 2018 included over 80 federal agency participants.

Prior to joining the firm, Mr. Potter worked on the staff of Senator Phil Gramm (R-TX) where he focused on health care and Social Security policy.

Mary Burke Baker is a government affairs counselor in the Washington, D.C. office where she leads the tax policy practice. Ms. Baker focuses on federal tax matters affecting businesses, including domestic and multinational corporations and all types of pass-through entities, and individuals. Her practice covers tax policy, tax reform, regulatory and other guidance, tax administration, and technical tax issues, with particular emphasis on corporate and pass-through issues, accounting methods, information reporting, Reports of Foreign Bank and Financial Accounts (FBAR) compliance, and emerging cryptocurrency issues. Since enactment of the Tax Cuts and Jobs Act (TCJA) in December, 2017, Ms. Baker has particularly focused on the Opportunity Zone program and is a frequent speaker on the topic throughout the United States.

Ms. Baker advocates on behalf of clients and consults with and advises Congressional, U.S. Treasury, and Internal Revenue Service (IRS) staff on numerous domestic and international tax and tax policy issues, including the new Opportunity Zone program, implementation of business and individual provisions in the TCJA, and emerging cryptocurrency tax compliance concerns. She stays abreast of current tax policy developments on Capitol Hill and around the world and keeps clients informed with timely, relevant, and informative updates, including political insights and analysis regarding the significance of these developments. She helps clients identify and assess risks and opportunities in the ever-changing legislative and regulatory environment and develops and executes strategies to achieve desired legislative and administrative outcomes. She offers technical analysis and drafts comment letters in response to regulatory projects, working groups, and other tax policy initiatives. During the multi-year tax reform debate, Ms. Baker leads the Cash to Accrual Coalition and the Like-kind Exchange Coalition. She serves on the steering committee of the LIFO Coalition. She assists individual taxpayers who are participating in the IRS Offshore Voluntary Compliance Program to comply with FBAR and Foreign Account Tax Compliance Act (FATCA) filing requirements.

Ms. Baker serves on the Board of Directors of the Real Tax Policy Group, which features biweekly sessions with top Administration and Congressional tax officials. She also serves on the Board of Directors of Time of Grace, an international media ministry.