Substance Architecture, a Des Moines-based design firm, recently announced additions to its leadership team. Matt Rodekamp has been promoted to principal and David Gosnell, Joshua Hemberger, Leah Rudolphi and Kevin Wagner all have been promoted to associated principal. The promotions reaffirm the founding vision of the company: building a firm that is resilient, able
to navigate changes and equipped to innovate under fresh leadership, the company wrote in a news release. The new principals, with a combined 90 years of architectural experience, join Todd Garner and Tim Hickman, both principals in the firm, in guiding the company. The changes in the leadership team follows the July 2022 retirement of Paul Mankins, a former principal in the firm.