The Chicago Public Art Group mission is to unite artists and communities in partnership to produce quality public art and to extend and transform the tradition of collaborative, community involved, public artwork. As a core artist, Brenner has completed numerous public art works in partnership with CPAG for over a decade.

Selected projects in collaboration:

- Mount Greenwood, 2008

- Wilmette Tower, 2005

- Margate Park, 2004

- Binary Project, 2000