“…Darling et al (2016) recognise that traditional top-down decision-making is limited in tackling anything other than simple and immediate problems; structured learning approaches embracing complexity and given adequate, dedicated time offer greater creativity in tackling and developing emergent, novel insights. Senior managers are frequently identified as presenting the strongest barriers to change though conversely with the greatest potential to subsequently broker institutional change (Zogjani and Raçi, 2015), so engagement of a senior, cross-institutional community in a deliberative process has particular value in addressing complex sustainability challenges.…”