Welcome to IJCAI-ECAI 2022, the 31st International Joint Conference on Artificial Intelligence and the 25th European Conference on Artificial Intelligence, the premier international gathering of researchers in AI! The first IJCAI-ECAI in-person conference since the outbreak of the Covid pandemic. We want to make this event as safe as possible for all participants. Thus there are very strict Covid prevention rules in place (independent of national entry regulations): Covid Disclaimer is required for all participants FFP2 mask is obligatory in all closed spaces/venues of the conference! Following the tradition of previous IJCAIs, IJCAI-ECAI 2022 will feature the following tracks: workshops and tutorials, a doctoral consortium, the main technical program, an early career spotlight track, special tracks on “AI for Good” and on “AI, the Arts and Creativity”, survey, sister best paper and journal tracks ...etc