Tim Bollerslev is Juanita and Clifton Kreps Professor of Economics at Duke University. He acquired the PhD degree in economics from University of California, San Diego in 1986, after initially having studied mathematical economics at Aarhus University. He is a world leading expert in financial econometrics with particular focus on the modelling of high-frequency data including volatility modelling of asset returns. Professor Bollerslev is one of the world’s most cited economists and his works are mentioned in the press release of the 2003 Nobel Prize in Economics. In 2016, elected as Fellow of Society for Economic Measurement (SEM). He is widely used in editorial boards of major econometrics and finance journals and has numerous publications in journals such as American Economic Review, Econometrica, Journal of Business and Economic Statistics, and Journal of Finance.