Lead Through The Squeeze & Build A Future Ready Organisation.
Take your leadership and your portfolio company to the next level with on-demand programmes & embedded executive support, designed for the pressure environments of private equity and the mid-market.
Start Today →Overwhelmed by frameworks & advisors that are missing the operating reality?
And maybe experiencing the following:
- Decisions stall between the value creation plan and the operating floor.
- Don't let capability gaps in your leadership team quietly drain EBITDA.
- Do NOT let another advisor leave behind slides instead of capability.
- Don't go at transformation alone without an embedded operating partner.
- Don't navigate Industry 4.0 & the AI era with an outdated leadership playbook.
Start Your Leadership Reset
Choose the best way to get started and join 200+ operators already running the playbook.
FREE DIAGNOSTIC
The Big Squeeze Scorecard
A 5-minute self-assessment of where capability gaps are draining value in your portfolio company.
ONLINE PROGRAM
The 30 Day Sprint
A structured intervention designed to turn capability gaps into a concrete value creation plan.
Hi, it's John
I'm a Professor of Practice in Leadership and Managing Partner at Grey Matter Global. I don't consult from the outside, I embed into the operating reality of PE-backed and mid-market businesses, and I build the internal capability that makes value creation plans executable.
I've spent twenty-five years inside the kinds of pressure environments my clients are operating in now: founder-led transitions, turnaround situations, buy-and-build platforms, and exit-readiness sprints.
Be a leader who can actually move the business.
WHAT OPERATORS SAY
John’s work helped our leadership team move from reactive management toward a more structured and scalable operating approach. The combination of diagnostics, root-cause analysis and execution focus created stronger alignment and greater organisational clarity.”
“Professor Grisby’s expertise in leadership, transformation and Industry 4.0 provides a highly relevant perspective for organisations navigating rapid change. His ability to connect leadership capability with operational performance is particularly valuable.”
“The approach provided a practical structure for aligning leadership, improving execution discipline and accelerating strategic implementation. We estimate the framework helped reduce our implementation timeline by between six and eight months.”
Get Started Today
Take The Scorecard Today
5 minutes. A precise read on where the Squeeze is hitting your portfolio company hardest.
Activate Your Pathway
Choose a programme that fits, from a 30-day Sprint to embedded capability work over a hold period.
Build Capability & Move EBITDA
Take a board-ready plan into your next leadership session, and start closing the capability gap this quarter.
