Vice President; Design Principal; Team Leader Corporate, Hospitality, Residential Kahler Slater Inc. | Chicago, Illinois Scale, proportion, light: For Trina Sandschafer, AIA, LEED AP, vice president, design principal, and team leader of corporate, hospitality, and residential at Kahler Slater in Chicago, Illinois, they are often the defining elements of her architectural philosophy and client-based design approach. It is in…