Robert Kleinschmidt joined the Chicago office of Skidmore, Owings, and Merrill in 1964. In 1976 he left SOM to establish the firm of Powell/Kleinschmidt Inc., based in Chicago and specializing in interior architecture and space planning. A pioneer in modernist interior architecture and an avid art collector, Kleinschmidt has defined midcentury interior design in North America with his work in Chicago. In addition to his longtime generous support of Krannert Art Museum, Kleinschmidt's philanthropic endeavors include serving on the board of the Mies van der Rohe Society and restoration work on the Mies van der Rohe buildings at the Illinois Institute of Technology. He has also been engaged with the River North Dance Chicago benefit committee in assisting and securing auction items for its annual gala.