Known for his glamorous spaces with an edge, interior designer Greg Parker doesn’t have to go far to check in at the office. His serene workplace is tucked away behind his 1920s bungalow in South Pasadena, CA. But how do you separate business from pleasure? Greg recommends using color to delineate areas. He also shares tips on how to preserve an old home's original details, showcase family heirlooms and make room for a piano in a small space.