 For the rest of his life he was immersed in the American Arts and Crafts movement.Ellis's path and that of Gustav Stickley, the de facto leader of the American movement, eventually crossed, for Ellis, the president of the society, was in charge of installing Stickley's famous large 1903 Arts and Crafts exhibition in its Rochester venue, the Mechanics Institute.Shortly after that Ellis moved to Syracuse, New York, to join the expanding architecture department of Stickley's United Crafts organization.