Leah spoke about Innovation for Social Change at the Gray Swan Guild Book Festival, November, 2022. A great line up of authors! The Gray Swan Guild is a global network of more than 10,000 members in over 100+ countries, with a common desire to “make sense of the world’s biggest challenges.” https://greyswanguild.medium.com/a-festival-of-smart-authors-and-their-books-baaff242a668