Kurt Lewin famously stated, “There is nothing so practical as a good theory.” Yet many of us would say our best theories were built in the field, at work and not in a classroom. That said, perhaps our schooling helped us get to that level, the next, or into a job where we could learn how to practice effectively in the “real world.” What differentiates the type of formal education that helps prepare OD pracititioners? How does this relate to the mission, vision, and values of the OD Network of Chicago? Hear from those who know best–the alums of some representative formal programs.