What makes a world-class CTO/CIO?

It’s far rarer — and far harder — than most people realise.

The journey is never linear. It’s forged through cycles of building, breaking, learning, and rebuilding. You collect scar tissue. You make poor decisions or ones that don’t land. Life gets in the way. You trust the wrong people. You fall for false promises. You fight the wrong battles. And those experiences — not the job titles — are what forge real judgement and leadership.

Startups often assume a “CTO” is simply an engineer who can code the best, and communicate well enough with non-engineers. But that’s a founding engineer, not a world-class CTO/CIO. The real thing is a unicorn blend of traits that almost never coexist in one person:

Deep + broad technical mastery across architecture, platforms, data, systems, security and AI,

Architecture + systems thinking, not just shipping features,

Emotional intelligence and maturity under pressure,

Strong people leadership — inspiring, aligning, resolving conflict, building culture,

Commercial + entrepreneurial instinct to focus on value, not vanity,

Change + transformation capability, because organisations don’t move just because tech improves,

And security, compliance + risk fluency in an environment where the stakes rise every year.

This combination is incredibly rare. Far rarer than most boards or founders understand — which is why the role is often misunderstood, overloaded, or lonely.

And in the age of AI, the role matters more than ever. Anyone can prototype. Anyone can make a demo look impressive. But scaling AI safely, sustainably and beyond the hype requires foundations:

data quality,

governance,

operating models,

security,

real adoption,

and leadership that knows when to slow down to go faster.

Another fact: the CTO/CIO role is not the same everywhere - there are lots of nuances. For example:

Startups might need a product-driven technical generalist,

Scaleups might need an architect and organisational stabiliser,

SMEs might need a commercial moderniser,

And enterprises need a strategist who can navigate legacy, politics, and complexity.

Very few people can operate across all four contexts.

The best CTOs and CIOs evolve — continually reinventing themselves as technology, teams and expectations shift. And they leave the organisation stronger, safer and more capable than they found it.