Nancy Killefer is a senior director in the Washington, D.C. office of McKinsey & Company, Inc. She is a leader of McKinsey’s Public Sector Practice, specializing in developing strategies and improving organizational effectiveness for a range of government clients. Nancy joined McKinsey in 1979 and during her career focused on strategy, marketing, and organizational effectiveness and efficiency issues with an emphasis on consumerbased and retail industries. From 1997 to 2000, Nancy served as Assistant Secretary for Management, CFO, and COO at the United States Department of the Treasury. In addition to overall management responsibilities for Treasury’s 14 bureaus and 160,000 people, she led a major modernization at the Internal Revenue Service, prepared Treasury’s systems for Y2K, and reshaped management processes, including installing an asset management program across the Treasury Department. After returning to McKinsey in 2000, she joined the IRS Oversight Board, a publicprivate entity akin to a corporate board that oversees the IRS. She served there from 2000 to 2005 and was its Chairperson from 2002 to 2004. Nancy received her M.B.A. from the Sloan School of the Massachusetts Institute of Technology. She holds a B.A. with honors in economics from Vassar College. Prior to business school, Nancy worked as an associate at Charles River Associates, a microeconomics consulting firm.