Prof. Xin Yao, Cercia Director, gave an invited keynote speech at the 7th International Conference on Simulated Evolution And Learning (SEAL’08), Melbourne, Australia, 7-10 December 2008, on "Cooperative Coevolution for Large Scale Evolutionary Optimisation". He also gave a tutorial on "Evolving and Designing Neural Network Ensembles" on 7 December 2008 at the conference.