The Chairman of the 8th International Conference on Experiments /Process /System Modeling /Simulation /Optimization (9th IC-EpsMso 2021), Prof. Dr. Demos T. Tsahalis, also Director of LFME, invites all scientists and engineers from the academic, scientific engineering and industrial sector to participate in the Conference and to contribute both in the promotion and dissemination of the scientific knowledge. Please forward to colleagues of yours that you think might be interested in participating