Timothy Brennan is a Professor of Public Policy and Economics at the University of Maryland Baltimore County and a senior fellow at Resources for the Future (RFF). He bagan his career as a staff economist at the Antitrust Division of the US Department of Justice, where he worked on the monopolization cases against AT&T and Microsoft. He has been the senior staff economist for industrial organization and regulation for the White House Council of Economic Advisers and a staff consultant at the Bureau of Economics at the US Federal Trade Commission. In 2006, he held the T.D. Mac Donald Chair in Industrial Economics at the Canadian Competition Bureau, and in 2014 he served as Chief Economist at the US Federal Communications Commission. Tim has published over 130 articles and book chapters. He has co-authored 2 books on electricity policy with colleagues at RFF and, with Pier Luigi Parcu and others, has co-edited five books on postal sector economics. He holds a M.A.  in Mathematics and a PhD in Economics from the University of Wisconsin.