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John Callahan

Executive in Residence, School of Health and Human Services and School of Public and International Affairs, University of Baltimore; Professor Emeritus, College of Public Affairs, University of Baltimore. Former Director, Health Systems Management Programs, Yale Gordon College of Liberal Arts, University of Baltimore. Former Assistant Secretary for Management and Budget and Chief Financial Officer, U.S. Department of Health and Human Services; Acting Commissioner, Social Security Administration. Former positions with the U.S. Senate: Chief of Staff to Senator Jim Sasser; Deputy Staff Director, Senate Budget Committee, U.S. Senate; Staff Director, Senate Governmental Affairs Subcommittee on Government Efficiency, Federalism, and the District of Columbia, U.S. Senate; Staff Director, Governmental Affairs Subcommittee on Intergovernmental Relations, U.S. Senate; Director of Federal-State Relations; Executive Director, Legislators' Education Action Project.