Harold D. Clarke, Ph.D. Duke University is Ashbel Smith Professor, School of Economic, Political and Policy Sciences, University of Texas at Dallas, and Adjunct Professor, Department of Government, University of Essex. He also is editor of Electoral Studies.

Clarke's research on electoral choice and the political economy of party support in Great Britain, the United States and Canada has been supported by the National Science Foundation (U.S.), the Economics and Social Research Council (U.K.), and the Social Sciences and Humanities Research Council (Canada). He is currently a principal investigator for the 2009/10 British Election Study and the 2008 Political Support in America Study. Other current research projects include the 2009 Political Support in Germany Study, and the 2008 Political Support in Canada Study.

He is the author of numerous articles published in journals such as the American Journal of Political Science, the American Political Science Review, the British Journal of Political Science, the Journal of Politics and Political Analysis. His most recent books are Brexit - Why Britain Voted to Leave the European Union, Cambridge University Press, forthcoming April 2017, Affluence, Austerity and Electoral Change in Britain (Cambridge: Cambridge University Press, 2013), Performance Politics and the British Voter (Cambridge: Cambridge University Press, 2009), Making Political Choices: Voting in Canada and the United States (Toronto: University of Toronto Press), and Political Choice in Britain (Oxford: Oxford University Press, 2004).

Clarke's teaching interests focus on public opinion, voting and elections and research methods. He regularly teaches advanced time series analysis at the Essex Summer School in Data Collection and Analysis and the Concordia University Spring School.