OR practitioners have had an interest in supporting community development for almost half a century – well before the term ‘community operational research’ was first coined in the mid-1980s. While the initial focus in the 80s was serving community groups (grassroots citizen movements), it quickly became evident that communities often wanted to address highly complex social and environmental issues that required the involvement of public, private and voluntary sector organizations too. Indeed, projects were often initiated and funded by these organizations. Nevertheless, the defining feature of Community OR remained the meaningful engagement of communities and concerned citizens. Community OR is now at an exciting point in its development, w...