Matthew Probst has been a member of the SIMG team since February 2009. Since joining the firm, Matthew has worked on a series of strategic research projects for clients such as the Arizona Indian Gaming Association, Tucson Medical Center, the Tohono O’odham Nation, and a grassroots coalition working to stop the Rosemont Mine in Southern Arizona. Prior to joining SIMG, Matthew worked as the Research Director for the successful 2008 re-election campaign of Congresswoman Gabrielle Giffords.