ACM SIGCHI is a special interest group of the Association for Computing Machinery focused on human-computer interaction (HCI). It aims to advance the understanding of how people interact with computers and to improve the design of user interfaces. The group organizes conferences, workshops, and publications to share research and best practices in the field. Founded in 1982, ACM SIGCHI has become a leading community for HCI professionals, researchers, and educators. It provides resources, networking opportunities, and a platform for collaboration among its members, fostering innovation and knowledge exchange in the rapidly evolving area of technology and user experience.