Statistica Sinica 26 (2016), 1331-1335

This special issue collects 17 articles in the areas of Bayesian Inference, Seasonal Adjustment, Time Series Analysis, Spatiotemporal Statistics, and Statistical Applications. They represent areas to which Professor George Tiao has made fundamental, innovative, and significant contributions during his more than half century of professional career. Some of the articles in this issue were presented at a conference celebrating Professor Tiao’s 80th birthday, held in December 2013 hosted by the Institute of Statistical Science, Academia Sinica. In addition to his many research contributions, Professor Tiao is instrumental in statistical education in the greater Chinese community, and in establishing the International Chinese Statistical Association (ICSA). He is also the funding chair editor of this journal. We refer interested readers to Chan (1999) for an interview and Peña and Tsay (2010) for a conversation with Professor Tiao for his devotion to research, education, and professional service in statistics, econometrics, environmental sciences, and beyond.