Architects/Planners and has been a member of the AIA Chicago Board of Directors, serving as Treasurer in 2008. He is a regular and active participant in the National AIA Grassroots legislative conferences in Washington, DC and the Illinois Prairie Grassroots conferences in Springfield. An active member of NOMA and an ongoing mentor to IDP candidates, Walter has also served as a member of the Chicago Architecture Foundation's committee to develop an architecture curriculum for k–12 students.