“…How do they interact with one another and with the client group as the game plan evolves? (Andersen and Richardson, 1997, p 126) The OR community have traditionally discoursed in detail about the methodologies used in various forms of intervention and the issue of multi-disciplinarity in problem structuring (in the group facilitation domain, see, for example, Robinson, 2001;Taket, 2002;Mingers and Rosenhead, 2004;Rosenhead, 2006;Morton et al, 2007); however, our focus remains around the nature of the facilitation process itself and how outcomes are achieved. Papamichail et al (2007) have provided more insights into the importance of the idiosyncratic tendencies of the facilitator, and Franco et al (Franco and Montibeller, 2010;Franco and Rouwette, 2011) have explored the value of facilitation, and critically:…”