This document discusses the history and operations of BayCHI, the local chapter of the ACM SIGCHI organization. It provides brief biographies of 20 BayCHI members and leaders, highlighting their roles and contributions to the organization over its 20+ year history. Key aspects of BayCHI that are emphasized include its monthly programs, job bank, special interest groups, online resources, and role in bringing the local human-computer interaction community together.