Advertising giant GroupM CEO Tim Castree is everything you want from a leader: smart, calm, resourceful, and a Change Agent who also happens to be a client guy. Learn how Tim got his start as an Advertising Cadet, why skipping college never slowed him down, and how his combination of humility and drive have pushed him to the top. Plus, learn how he convinced all of Australia to turn off their lights! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.