Action research invariably involves gathering groups of participants to engage their perspectives and invite their collaboration. This requires some skill on the part of the action researcher in facilitating meetings, workshops and other participative processes. In this course we shall examine the art and theory of facilitation, locating it in the organizational history of interventions. We shall find inspiration in the organizational planning methodology Appreciative Inquiry and draw on insights about autonomy and intrinsic motivation articulated within Positive Psychology. Exercises in facilitation will be conducted in class, using the real challenges that students face in their respective organizations. Students should take away from this course some experience with the very proactive role of the action-research facilitator.