Deputy Mayor for Public Safety and Justice & Deputy City Administrator, District of Columbia. Former Executive Director, Performance Improvement Council; Senior Advisor to the Administrator, General Services Administration; Senior Advisor to the Chief Financial Officer & Assistant Secretary for Management, U.S. Department of the Treasury; Director of CapStat, Office of the Mayor, District of Columbia; Chief, Performance & Strategy, Washington Metro Area Transit Authority; Special Assistant, Department of Transportation, District of Columbia; Partner, Mount Vernon Strategies; Research Associate, Advisory Board Company.