It is with profound sorrow that we announce the passing of Professor George C. Tiao, an internationally renowned statistician, W. Allen Wallis Professor of Econometrics and Statistics at the University of Chicago Booth School of Business, Honorary Professor of Peking University, and Founding Director of the Department of Business Statistics and Econometrics at Guanghua School of Management. Professor Tiao passed away peacefully in Chicago, the United States, on April 25, 2026, local time, at the age of 93. 

我们以沉痛的心情获悉：国际著名统计学家、芝加哥大学商学院W. Allen Wallis计量经济学与统计学讲席教授、北京大学荣誉教授，光华管理学院商务统计与经济计量系创始人刁锦寰（George C. Tiao）先生，于当地时间2026年4月25日，在美国芝加哥安详逝世，享年93岁。