From 18th – 20th February 2020, CAPS successfully organized a workshop (Decision Theoretic Modelling) at R&D Building, Universiti Teknologi PETRONAS. The trainer, Dr Marek J. Druzdzel from University of Pittsburgh who is an expert in decision support, reasoning under uncertainty and Bayesian networks. The workshop which attended by lectures and postgraduate students covered topics such as principles of probabilistic modelling using Bayesian Network, building Bayesian Network based on expert knowledge, learning Bayesian Network data and causal discovery, parameter learning, validation techniques and etc. By conducting this course, CAPS is hoping that this course are beneficial to everyone that attended. Thank you to all participants that involved!