Bruce Vojak — The Hourglass Model of Breakthrough Innovation episode artwork

EPISODE · May 13, 2026 · 13 MIN

Bruce Vojak — The Hourglass Model of Breakthrough Innovation

from The Innovation Show · host The Innovation Show

Most companies think innovation is a straight line. Bruce Vojak spent years studying the people who prove otherwise. Bruce Vojak is co-author of Serial Innovators: How Individuals Create and Deliver Breakthrough Innovations in Mature Firms (Oxford University Press). In this bonus episode of The Innovation Show, he joins Aidan McCullen for a focused look at the Hourglass Innovation Model — the descriptive framework that maps how serial innovators actually move from an interesting problem to a flawless product launch. In this conversation, Bruce reveals: Why the Hourglass Model is descriptive, not prescriptive — and why that matters How serial innovators often redefine the problem before they solve it The Tom Osborne story — how reframing a feminine hygiene brief from diaper to garment changed everything Why serial innovators can appear completely unproductive for months — and why that is actually the work How they were practising customer empathy and design thinking before those ideas had names Why Execute — the stage most firms obsess over — is just one of five tasks How to use the model as an honest self-diagnostic: am I doing these things, or is it really the organisation? Chapter topics  00:00 Hourglass Model Intro 00:31 Stage Gate vs Hourglass 01:15 Redefining the Problem 04:16 Pragmatism and Empathy 06:27 Deep Dive Understanding 07:49 Experiment and Iterate 08:39 Nonlinear Flow Explained 10:02 Org Maturity and Politics 11:47 Normalize and Self Assess 12:53 Wrap Up and Sponsor About The Innovation Show The Innovation Show with Aidan McCullen is the Thinkers50-recognised podcast where square pegs find their place in a world of round holes. Conversations with world-class authors, scientists, and practitioners on disruption, innovation, leadership, and the ideas shaping tomorrow. About Bruce Vojak Bruce is co-author of Serial Innovators and Innovation Code, founder of Breakthrough Innovation Advisors, and former Associate Dean for Administration at the University of Illinois College of Engineering. He advises executive teams and boards on how to find, support and unleash serial innovators inside mature firms. Website: https://breakthrough-innovation-advisors.com LinkedIn: https://www.linkedin.com/in/bvojak/ Book: Serial Innovators: How Individuals Create and Deliver Breakthrough Innovations in Mature Firms https://amzn.to/4f7Y85q This episode is brought to you by Kyndryl, who run and reimagine the technology systems that drive advantage for the world's leading businesses. Learn more at https://www.kyndryl.com. Subscribe to the Thursday Thought on Substack for a chance to win a copy of Serial Innovators, with thanks to Kyndryl: https://thethursdaythought.substack.com Listen and follow: https://theinnovationshow.io Apple Podcasts: https://podcasts.apple.com/ie/podcast/the-innovation-show/id1148455669 Spotify: https://open.spotify.com/show/63nFKf4bsSWo3W72gWtOsK?si=b62d9614237c4450 YouTube: https://www.youtube.com/c/theinnovationshow LinkedIn: https://www.linkedin.com/in/aidanmccullen

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