The SIGCHI ( Special Interest Group on Computer - Human Interaction ) is a thematic group of the Association for Computing Machinery (ACM ), which deals with human-computer interaction.

The most organized of the SIGCHI conference series Human Factors in Computing Systems ( CHI) was founded in 1982 and is held annually. It is the largest and most prestigious meeting on the topic. In addition, other scientific conferences, such as the MobileHCI and the Symposium on Mixed and Augmented Reality ( ISMAR ) are supported. It also publishes scientific journals such as the Transactions on Computer - Human Interaction.

Since 1998, the CHI Lifetime Achievement Award is awarded annually by the SIGCHI. For the first time got him Douglas C. Engelbart, among other things for his work on hypertext, collaboration, teleconferencing and the mouse ( computer). In the following years the award, for example, Ben Shneiderman, Donald Norman and Bill Buxton received.