Welcome to Season Nine of Podcasts for Leaderful Schools and with it, an introduction of Galileo 3.0. This episode features a recording of Dr. Robert Maxfield's address to attendees of Return to Yarrow, a summer workshop for graduates of the Galileo Institute and Academy, on August 5, 2015. In his call to action, Dr. Maxfield outlines the history of teacher leadership through Galileo and what is next for teacher leaders. Dr. Maxfield's address is anchored by a conversation with co-host, Dr. Suzanne Klein, on a preview of the 2015-2016 recording season.