I am writing this because Dado Banatao quietly passed away on 25 December 2025, and it felt like the right moment to pause and acknowledge the scale of what he built. Not to memorialize him in the traditional sense, but to remind ourselves how deeply his work still shapes modern computing and daily life.

Most people can name the big figures in technology: Steve Jobs, Bill Gates, Jensen Huang. Their stories are everywhere, and the products they built are part of our daily lives.

Far fewer people have heard of Diosdado “Dado” Banatao. That’s unfortunate, because without his work, modern computing as we know it would look very different.

While Dado didn’t build a famous consumer device or a global household brand, his legacy lives deep within the machines we use. He worked on the underlying systems that allow computers to function at scale. This is the part most people never see, but everyone depends on.

A problem few people were looking at

In the early days of personal computing, computers were expensive and difficult to build. Each one was a custom engineering effort, assembled from many separate parts that didn’t always work well together. That made computers fragile, costly, and hard to improve.

Dado saw this as the real bottleneck. It wasn’t that computers weren’t powerful enough. It was that they weren’t practical enough to become truly widespread.

So instead of designing a new computer, Dado focused on something less visible but more important. He redesigned how computers themselves were put together.

In the 1980s, Dado helped develop the first integrated system logic chipsets for personal computers. These chips replaced dozens of separate components and streamlined communications between the processor, memory, and peripherals.

It sounds technical, but the impact was simple. Computers became cheaper to build, easier to manufacture, and far more reliable. More companies could produce them. Prices fell. Innovation sped up.

That’s how personal computing became an industry rather than a niche.

Building infrastructure, not headlines

Many technology figures gained prominence by building products people could see, touch, and buy. Dado Banatao built infrastructure.

His work didn’t result in a single iconic device. It resulted in a standard way of building computers that thousands of manufacturers could use. That standardization is what allowed the PC industry to grow globally instead of remaining confined to a handful of companies.

Think of it the way you think about roads or power lines. You rarely notice them, but without them, nothing else works.

That’s the kind of contribution Dado made.

Why his story matters

Dado’s story matters because it shows a different kind of impact.

Dado didn’t try to control a market or build a monopoly. He removed a barrier.

And he did so as someone who started life far from Silicon Valley. The son of a poor Filipino farmer, Dado went on to help architect and democratize modern computing — not for one company or one country, but for the world.

By making computers easier to build and more accessible, he helped expand who could participate in technology. Not just large corporations and governments but students, founders, and creators everywhere.

Dado didn’t invent the computer. He helped make it usable, affordable, and widespread.

That distinction is easy to miss, but it’s everything.

A quiet legacy

Today’s world runs on software, networks, and increasingly, artificial intelligence. All of which depends on a foundation that was built decades ago.

Dado Banatao helped build that foundation.

His legacy isn’t a brand name or a product line. It’s a way of thinking about technology. It values openness, scale, and access over control and visibility.

And in a very real sense, there’s a Dado inside all our devices today.

That’s why his contribution still matters. And that’s why it deserves to be better known. – Rappler.com

Eric Manlunas is a co-founder and general partner of Wavemaker Partners, Southeast Asia’s leading venture capital firm focused on enterprise, deep tech, and sustainability startups. He co-invested with the late Diosdado “Dado” Banatao, who was also his personal mentor and advisor, and served for 15 years as a trustee of Banatao’s Philippine Development Foundation (PhilDev).