Walls and Moats Won't Save You. Innovation Will.

20 Oct 2025

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The walls of Constantinople stood for a thousand years—until gunpowder changed everything. This isn’t just about history; it’s a metaphor for every leader relying on legacy strengths in a time of disruption. Are you mistaking past resilience for future security? Scott D. Anthony, professor at Dartmouth's Tuck School of Business, shares what every CEO and strategist should ask before the innovative disruptor's cannonballs start hitting their legacy walls. For more, check out Anthony's book, "Epic Disruptions: 11 Innovations That Shaped Our Modern World": https://www.amazon.com/Epic-Disruptions-Innovations-Shaped-Modern/dp/1647829712/ Books, tools, and more: store.hbr.org Follow us: https://hbr.org/ https://www.linkedin.com/company/harvard-business-review/ https://www.facebook.com/HBR/ https://twitter.com/HarvardBiz https://www.instagram.com/harvard_business_review Sign up for Newsletters: https://hbr.org/email-newsletters #HarvardBusinessReview #Disruption #Innovation #Yourcareer #Career #Job #Work #Business #Harvard #HarvardBusinessSchool Copyright © 2025 Harvard Business School Publishing. All rights reserved.

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