Graeme Samuel AC, among his many roles, is a Professorial Fellow in Monash University's Business School and School of Public Health and Preventative Medicine. I worked at the ACCC when Graeme was Chair. Since 2014 he has held the position of Chair of Dementia Australia, the national peak body for people impacted by dementia. As an advocate of good design, I was keen to hear about how products and environments can be designed to meet the needs of people living with dementia. Before we got to that, Graeme explained a lot about different types of dementia and their effects.