Serena Ng Serena Ng received her undergraduate training at the University of Western Ontario, Canadaand her doctorate degree from Princeton University. Prior to being a professor of economics at Columbia University, she was professor of economics at theUniversity of Michigan, associate professor at the John Hopkins University and Boston College, and an assistant professor at the University of Montreal. Prior to attending graduate school, Serena Ng was a research officer in the Special Studies division of the Bank of Canada. Serena Ng's primary research interests are time series analysis and econometric methods. She has written extensively on how lag length selection affects the size and power of unit root tests, analysis of large dimensional factor models, and econometric issues in estimation of dynamic stochastic general equilibrium models. Serena was the co-editor of the Journal of Business and Economic Statistics from 2007-2009. She is currently on the editorial board of the Journal of Economic Literature, Journal of Econometrics,Econometric Theory, Econometrics Journal, Journal of Time Series Methods, Journal of Financial Econometrics, and a member of the advisory council of the Pacifc Economic Review. Serena Ng served on the NSF review panel, the Zellner thesis award committee, publications committee of the American Statistical Association. She was on the program committee of the Econometric Society meetings and other professional meetings. She was the receipient of fellowships and awards funded by the National Science Foundation and the Social Science Humanities and Research Council of Canada.She was also president of CEANA (Chinese Economics Association of North America) from 2009 to 2011.