Catastrophe modelling is a data driven discipline for understanding and managing the risk of natural catastrophes, developed by the global insurance industry over the last 30 years. It has growing applicability outside of insurance for managing risk and building resilience to catastrophes in a changing world. Oasis Loss Modelling framework is a not for profit organization that seeks to provide choice and insight in catastrophe modelling through open software and standards. In this talk, I will discuss the history and application of catastrophe modelling, how we make use of data and technology, and some of the emerging applications of data science in this area.