In most organizations, leaders are trained to spot silos, visible structural separations between teams, departments, or business units. They are not inherently evil. In fact, silos often emerge naturally as a company scales, helping teams focus, specialize, and deliver with autonomy. However, when left unmanaged, these silos evolve into obstacles to collaboration, knowledge sharing, and innovation.
Leadership conversations often center around breaking these silos. Cross-functional meetings are organized, dashboards are merged, and OKRs are aligned. And often, the progress is tangible. Teams start talking more. Shared goals replace fragmented ones. The organization begins to look “connected.” But what many leaders miss is this: silos are not the real problem. They are just the visible part of a much deeper cultural issue. Lurking underneath those structural divisions lies a far more dangerous force, one that rarely appears in strategy documents or performance reviews. It’s not a wall you can see. It’s a mindset you can feel.
I call it the...




