Leo Sidney Mackay Jr. (born August 15, 1961) is an American businessman, and a former deputy secretary of the United States Department of Veterans Affairs. He is senior vice president, and an elected officer, of Lockheed Martin Corporation. Currently, he is senior vice president - ethics and enterprise assurance, serving as the corporate audit executive (CAE); as well as leading the offices of Ethics and Business Conduct; Environment, Safety, and Health; enterprise risk; and serving as chief sustainability officer. The Lockheed Martin sustainability program has been perennially ranked among the world's best. He is a director, and investment committee member, of Lockheed Martin Ventures, the wholly owned venture capital arm of Lockheed Martin. He reports to the CEO, the Audit Committee, and the Nominations and Corporate Governance Committee of the board of directors. He is an independent director of Ameren and of Cognizant Technology Solutions. His work on Cognizant's audit committee has been highly praised. He is also a director of the Federal Savings Bank of USAA and a strategic advisor of Pegasus Capital Advisors. He was U.S. Black Engineer magazine's 2012 Black Engineer of the Year Awardee for Career Achievement, and the 2014 Lincoln-Douglass Award winner from the Republican National Committee. He is a member of the Board of Regents of Concordia Theological Seminary. Previously, Mackay chaired the Board of Visitors at the Graduate School of Public Affairs of the University of Maryland (2008–2014). He was a board member, and chair of the Audit Committee, of the Center for a New American Security in Wahshington, DC (2007–2015), and continues on its Board of Advisors. He was chair of the Lutheran Housing Support Corporation (2006–2011); Chair of the Secretary of Health and Human Services' Advisory Committee on Minority Health (2004–2005); and a board member of Cook's Children's Hospital in Fort Worth, Texas (1998–2001). Government service Mackay was Deputy Secretary of Veterans Affairs from May 2001 to October 2003. As the department's second in command and designated chief operating officer, he had operational authority over the department's three major agencies: the Veterans Health Administration (VHA), the nation's largest integrated healthcare system; the Veterans Benefits Administration (VBA); and the National Cemetery Administration. He concentrated on departmental management initiating a Strategic Management Council, reformulating the departmental budget process, and changing the internal merit system for GS/SES personnel. He was concentrated on the CARES project, a capital asset realignment of VHA; enhanced use leasing;