Janet Marie Smith is a Major League Baseball (MLB) executive, architect, and urban planner. Smith has built and managed renovations of several major and minor league baseball parks in the United States including Baltimore, Atlanta, Boston, and Los Angeles. She became one of the first women to hold an executive position with any major league baseball club when she was promoted to Vice President of Planning and Development with the Baltimore Orioles in 1989. Smith is best known for her work developing Oriole Park at Camden Yards, which set a new standard for ballparks "incorporating historic, old-fashioned ballpark architecture with state-of-the-art modern conveniences." Through her work, Smith demonstrates how to seamlessly blend the best elements of the past with those of the future.