The Innovation Show

“I don’t like J work.”

That was Andy — a top serial innovator at SAIC — telling his manager Dennis what he needed to be protected from. J work, in Andy’s field of computational electromagnetics, is the imaginary part of a number. To Andy, it meant the imaginary work: staff meetings, budget reviews, formal reporting. Dennis’s job was to keep him in real work. Most managers do the opposite.

In part three of our Serial Innovators series, Bruce Vojak closes the loop. After two episodes on who serial innovators are and how they navigate the politics, this one is about how organisations find them, develop them — and how managers can stop accidentally driving them out the door.

Bruce is co-author of Serial Innovators: How Individuals Create and Deliver Breakthrough Innovations in Mature Firms (with Ray Price and Abby Griffin), founder of Breakthrough Innovation Advisors, and former Associate Dean for Administration at the University of Illinois College of Engineering.

In this conversation, Bruce reveals:

• Why mechanistic, CV-screening HR processes — and now AI-powered hiring filters — systematically screen out your future innovators • The four engagement filters that actually identify a serial innovator: how they engage with problems, projects, business, and people • The five core traits — systems thinking, above-average (but not extreme) creativity, innate curiosity, deep-expertise intuition, and the intrinsic drive to make things better • Why π-shaped (pi-shaped) workers — broad across domains AND deep in multiple specialisms — beat T-shaped specialists • Why innovators spot innovators — and why your best HR move is letting your existing serial innovators sit in on hires • The career-phase development model: hard problems early, breadth via exposure, apprenticeship over mentorship, and burnout as a real risk if you don’t choose your battles • Golden handcuffs — and the “fur-lined mousetrap” most serial innovators eventually walk into • The Dennis-and-Andy story at DEMACO/SAIC — and what Dennis did right that almost every other manager gets wrong • The pheasant hunting in Iowa metaphor — why over-managed budgets leave no nesting ground for the future of your business • The five things a manager has to do — air cover, patience, running interference, no bureaucratic J work, no daily progress reports • Why phase-gate control is the slow death of breakthrough innovation • Where Bruce respectfully diverges from Clay Christensen on whether innovation can survive inside the organisation — or has to be spun out • The incentive traps that quietly destroy serial innovators — and why “I’m doing what’s best for the company and you’re giving me crap for it” is the line every serial innovator says to themselves at least once

Chapters: 00:00 Executive Innovator Balance 00:37 Sponsor Message 01:03 Serial Innovators Intro 01:08 HR Screening Problem 03:02 Four Engagement Filters 04:46 Engaging With Problems 05:28 Projects Tenacity 06:29 Business Mindset 07:16 People And Customers 08:33 Research Method War Room 10:46 Five Core Traits 12:12 Innovators Spot Innovators 14:05 Career Phases 0 To 10 17:06 Hard Problems Early 17:58 Apprenticeship Model 18:52 Burnout And Choosing Battles 22:33 Innovator Versus Inventor 24:24 Nurturing Through Exposure 27:05 Budget Barriers Story 29:59 AI Hiring And Hidden Signals 31:44 HR Triads And Policy Limits 33:04 Golden Handcuffs Risk 34:34 Managing For Impact Setup 35:52 Relational Management Style 37:41 Innovation As Dance 38:09 Incentives And Motivation 40:51 Demco SAIC Case Study 44:08 Pheasant Metaphor Budgets 47:12 Avoiding J Work 49:55 Manager Air Cover Tips 52:03 Phase Gates And Control 55:53 Ego And Incentive Traps 59:54 Christensen Inside Vs Spinout 01:03:58 Pi Shaped Innovators 01:08:16 No Excuses Innovation Preview 01:11:33 Wrap Up And Where To Find

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 Book: Serial Innovators: How Individuals Create and Deliver Breakthrough Innovations in Mature Firms

About The Innovation Show The Thinkers50-recognised podcast hosted by Aidan McCullen — 2025 Thinkers50 Innovation Award recipient, keynote speaker, author of Undisruptable — where square pegs find their place in a world of round holes. Conversations with the world’s leading authors, scientists and practitioners on disruption, innovation, transformation, leadership, AI, creativity and the ideas shaping tomorrow.

About the host Aidan McCullen is the 2025 Thinkers50 Innovation Award recipient, host of The Innovation Show, and author of Undisruptable (Wiley). Learn more or enquire about booking him for a keynote: https://theinnovationshow.io/about-aidan-mccullen/

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

Follow and listen: Website: https://theinnovationshow.io About the host: https://theinnovationshow.io/about-aidan-mccullen/ 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

About the host

TL;DR: Serial innovators are the rare individuals who deliver breakthrough after breakthrough inside mature firms — and most companies systematically screen them out, mis-manage them, then wonder why innovation died. In Part 3 of our series with Bruce Vojak, co-author of Serial Innovators, Bruce explains the five core traits to look for, the four engagement filters that actually identify serial innovators, and the manager behaviours that protect them from the bureaucracy designed to break them.

“I don’t like J work.” That was Andy — a top serial innovator at SAIC — telling his manager Dennis what he needed protection from. J work, in Andy’s field of computational electromagnetics, is the imaginary part of a number. To Andy, it meant the imaginary work: staff meetings, budget reviews, formal reporting. Dennis’s job was to keep him in real work. Most managers do the opposite.

In this conversation, Bruce Vojak closes the loop on a three-part series about serial innovators — who they are, how they navigate corporate politics, and now, how organisations can actually find them, develop them, and stop driving them out the door.

Why HR (and AI hiring filters) screen out your future serial innovators

Mechanistic, CV-screening HR processes were already filtering breakthrough thinkers out of the funnel. AI-powered hiring filters have made it worse. Serial innovators rarely have linear CVs. Their signal sits in pattern-breaking moves — the side project, the lateral leap, the unfashionable specialism picked up out of curiosity. Algorithms trained on “ideal candidate” templates miss exactly those signals.

Bruce’s recommendation is uncomfortably simple: innovators spot innovators. The single highest-leverage HR move a mature firm can make is to let its existing serial innovators sit in on hires. They recognise the pattern because they are the pattern.

The four engagement filters that identify a serial innovator

In their research with Ray Price and Abby Griffin, Bruce and his co-authors found four lenses that reliably surface serial innovators:

1. How they engage with problems — they pull on threads until something gives, not until a deadline hits.
2. How they engage with projects — tenacity beyond the point most people quit.
3. How they engage with the business — they think in customer outcomes and commercial viability, not just elegant solutions.
4. How they engage with people — including customers, especially in unscripted moments. Field-level empathy, not survey-deck empathy.

The five core traits of serial innovators

Across decades of research, Bruce names five recurring traits:

• Systems thinking — they see how the parts interact, not just the parts.
• Above-average (but not extreme) creativity — far-out creatives often can’t ship; serial innovators can.
• Innate curiosity — they cannot leave a question alone.
• Deep-expertise intuition — pattern recognition built on thousands of hours in a domain.
• The intrinsic drive to make things better — money and titles are not the engine.

From T-shaped to π-shaped (pi-shaped) workers

The T-shaped specialist — broad across domains, deep in one — was the talent-development gold standard for two decades. Bruce argues the future belongs to π-shaped workers: broad across many domains AND deep in two or more specialisms. Serial innovators are typically π-shaped, and the connections they draw between their deep wells are where breakthroughs are born.

How to develop serial innovators across a career

Bruce’s career-phase development model is built on four moves:

• Give them hard problems early. Easy work in years one to three is how you teach an innovator to under-perform.
• Build breadth through exposure, not classroom learning. Rotations, customer ride-alongs, side projects.
• Apprenticeship over mentorship. Pair them with a master, not a mentor with a calendar invite.
• Watch for burnout. Serial innovators take on everything. They need help choosing battles.

The five things a manager has to do for serial innovators

Bruce lays out a five-part manager playbook for breakthrough innovation:

• Provide air cover from political fire.
• Be patient beyond the quarterly cycle.
• Run interference with finance, legal, HR, and procurement.
• Eliminate bureaucratic “J work” — the imaginary work that does not move the breakthrough.
• Don’t ask for daily progress reports. Phase-gate control is the slow death of breakthrough innovation.

Golden handcuffs and the “fur-lined mousetrap”

Even well-managed serial innovators eventually walk into what Bruce calls a fur-lined mousetrap: compensation, status, equity vesting, and incremental responsibility quietly bind them to a role where they can no longer do their best work. Managers who care about retention have to engineer escape routes — sabbaticals, internal moves, new problems — before the trap closes.

Where Bruce respectfully disagrees with Clay Christensen

Clay Christensen famously argued that genuinely disruptive innovation has to be spun out — the parent organisation will reject it like a transplanted organ. Bruce’s research suggests it is possible to keep breakthrough innovation inside a mature firm, but only if executives are willing to relax the very controls that make the rest of the business run. Most are not. That is why Christensen is more often right than wrong in practice.

Key takeaways on identifying and managing serial innovators

• HR filters and AI hiring screens systematically exclude serial innovators — let your existing innovators co-hire.
• Use the four engagement filters: problems, projects, business, people.
• Look for five traits: systems thinking, above-average creativity, curiosity, deep-expertise intuition, intrinsic drive.
• Aim for π-shaped, not T-shaped, talent.
• Manager job: air cover, patience, interference-running, eliminate J work, no daily progress reports.
• Phase-gate control kills breakthroughs. Phase-gate trust enables them.

Listen and watch

Listen on Apple Podcasts, Spotify, or YouTube. Subscribe to the Thursday Thought on Substack for a chance to win a copy of Serial Innovators, with thanks to Kyndryl.

Catch up on the rest of the series: Part 1 and Part 2 — Navigating the Politics of Breakthrough Innovation. Bruce’s firm: Breakthrough Innovation Advisors.

Frequently asked questions about serial innovators

What is a serial innovator?

A serial innovator is an individual inside a mature firm who repeatedly conceives, develops and ships breakthrough innovations — not one-off ideas, but a sustained pattern of high-impact outputs. The term comes from Bruce Vojak, Ray Price and Abby Griffin’s research and book Serial Innovators: How Individuals Create and Deliver Breakthrough Innovations in Mature Firms.

What are the five traits of a serial innovator?

According to Bruce Vojak, serial innovators consistently show systems thinking, above-average (but not extreme) creativity, innate curiosity, deep-expertise intuition built on years in a domain, and an intrinsic drive to make things better.

Why does HR fail to hire serial innovators?

Mechanistic CV screening and AI-powered hiring filters reward linear, on-template careers. Serial innovators usually have non-linear CVs with lateral leaps and side specialisms. The fix Bruce recommends is to let existing serial innovators sit in on hires — “innovators spot innovators.”

What is a π-shaped (pi-shaped) worker?

A π-shaped worker is broad across many domains and deep in two or more specialisms — an evolution of the T-shaped specialist (broad plus one deep area). Serial innovators are typically π-shaped, and the connections between their deep wells are where breakthroughs come from.

What is “J work” in the context of serial innovators?

J work is Bruce Vojak’s shorthand for bureaucratic, imaginary work — staff meetings, status reports, budget reviews, phase-gate paperwork — that pulls a serial innovator off the real work of breakthrough innovation. The phrase comes from Andy, a serial innovator at SAIC, who borrowed it from computational electromagnetics where “J” denotes the imaginary part of a number.

How should managers manage serial innovators?

Bruce names five non-negotiables: provide air cover, be patient beyond the quarter, run interference with finance, legal and HR, eliminate bureaucratic J work, and resist the urge to demand daily progress reports.

Does breakthrough innovation belong inside the company or in a spin-out?

Clay Christensen argued breakthroughs usually have to be spun out. Bruce Vojak’s research suggests they can survive inside a mature firm — but only if executives relax the controls that make the rest of the business run. In practice, most don’t, which is why Christensen tends to be right.

About Bruce Vojak

Bruce Vojak is co-author of Serial Innovators: How Individuals Create and Deliver Breakthrough Innovations in Mature Firms and The 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.

About the host

Aidan McCullen is the 2025 Thinkers50 Innovation Award recipient, an in-demand keynote speaker on AI, disruption, innovation, change and reinvention, host of The Innovation Show, and author of Undisruptable: A Mindset of Permanent Reinvention (Wiley). He is a former professional rugby player whose second career has been spent helping organisations reinvent themselves before the market reinvents them, and has delivered keynotes for global enterprises including Google, Maersk, Microsoft, PayPal, Mars, Salesforce, Toyota, Mastercard, Irish Distillers Pernod Ricard, Enterprise Ireland, Agilent and the Government of Ireland. Learn more about Aidan or enquire about booking him for a keynote.