Charles H. Wacker was appointed permanent chairman by the Mayor, and served until 1926, when he was succeeded by James Simpson.
Walter Moody was the managing director of the Chicago Plan Commission for nine years until his death in 1920.
The Encyclopedia of Chicago recounts one of his more successful acts of salesmanship: "Moody, the salesman nonpareil, even raised the enactment of the Plan to a sacred calling.
The ministers of these congregations agreed to take the words of the Old Testament prophet Nehemiah, "Therefore we, His servants, will arise and build," as the basis of their sermons, in which they would advocate the implementation of the Plan of Chicago."
The Commission was successful at fostering relationships with politicians of several types and at encouraging voters to support its initiatives.