In this week's Mumbrellacast, Kalila Welch and Calum Jaspan look at how Aldi's quirky creativity has helped it triple its market share in the past 13 years, and with Mark Richardson leaving, why Jenny Melhuish might be the right fit to carry on. Plus, Rose Herceg and Anathea Ruys chat about fixing ongoing stereotypes in advertising, and reflections on their own experience.