Keith Kelleher was the founder of United Labor Unions (ULU) Local 880 (1983-5), then Service Employees International Union (SEIU) Local 880 (1985-2008) and then president (2008-2017) of SEIU Healthcare Illinois, Indiana, Missouri, and Kansas (HCIIMK). Once the smallest local union, it is now the largest local union in Chicago, Cook County, the state of Illinois and the Midwest, as well as the 7th largest local of the 2 million member Service Employees International Union. Keith also served as an International Vice President of SEIU.