The 15th International Conference on Knowledge, Information and Creativity Support System (KICSS2020) will be held online on November 25-26, 2020 and hosted by D-Agree. The conference aims to facilitate technology and knowledge exchange between international researchers in fields related to knowledge science, information systems, creativity support systems, and complex systems modeling. It will cover a broad range of topics related to knowledge engineering, information technology, creativity support systems, and complex systems modeling.