marcsirkin.substack.com]]>https://marcsirkin.substack.com/podcastSubstackMon, 15 Jun 2026 11:40:10 GMThttps://api.substack.com/feed/podcast/8675250.rssPlaybook Broken by Marc SirkinPlaybook Broken serves executives navigating the moment when traditional strategy isn't just failing but becoming dangerous. Hosted by Marc Sirkin, Chief Growth Officer, Walk West and former CEO, Third Door Media. episodicPlaybook Broken by Marc Sirkinmarcsirkin@substack.comNo