Leiden University was founded in 1575 and is one of Europe’s leading international research universities. The Leiden Institute of Advanced Computer Science (LIACS) is the computer science institute of Leiden University, Faculty of Science, established in 1996. It has a strong and vibrant research program in computer science with a good balance of core computer science and applications. Its key interests are in AI and data science. LIACS’ mission is to improve the state of the art in Computer Science methods, techniques and systems, and to guide new research areas that are of clear importance to society. The AI4LIFE initiative and especially its university wide SAILS program aims at improving other (especially life) sciences by making modern AI methods available to them and developing novel methods and approaches in tight collaboration with computer science and its AI research.