Prof T N Goh gave two seminars in Beijing, China, on 20 February 2009. The first paper “Potential, Limitation and Implementation of Six Sigma” was presented to researchers at the Center for Quality Science, Chinese Academy of Sciences, and the second “Six Sigma: Some Theoretical and Practical Issues”, at the Industrial Engineering Department, Tsinghua University. He also took the opportunity to have a gathering with some ISE alumni now working in Beijing.