On the 7th Jan, 2014 and the 30th May, 2014, Dr Shen Wei was invited to attend the first and second national meetings for ANNEX 66: Definition and Simulation of Occupant Behavior in Buildings, held in the Tsinghua University, Beijing, China, and Tongji University, Shanghai, China. During the first meeting, Dr Wei made a presentation titled: Behavioural studies in Europe. During the second meeting, Dr Wei provided a presentation titled: A comparison of alternative occupant classification approaches for the modelling of window opening behaviour in buildings.