Is the role of trust members in MATs currently concentrating power in the hands of a small amount of individuals? Is school improvement best served by geographically dispersed MATs? What are the implications of the changing role of school leaders in MATs and how might these work best? Sam Henson (Director of Policy, NGA) and Tom Fellows (Research Manager, NGA) respond to these and more questions during their insightful presentation. This session was recorded live on 13 November 2019, in the MAT Summit of the Schools & Academies Show at the NEC in Birmingham.