March 2026 • 9 min read

The Journey to Mentivox: From Geology to a Company Built on Human Connection

Kehinde Adigun was not supposed to build a mental health company. He trained as a geologist. He spent years developing an understanding of the earth's layers, its pressures, and its slow and irreversible processes. None of that, on the surface, looks like preparation for building an AI companion designed to support people through loneliness and emotional stress.

But then, most of the most important things do not look like preparation until long after the fact.

A different kind of shift

When Kehinde made the decision to leave Nigeria and come to the United Kingdom to pursue his MBA, he understood, intellectually, that things would be different. He had read about British culture. He had spoken to people who had made similar journeys. He thought he knew what to expect.

He did not know what to expect.

The difference was not in the things he had anticipated: the weather, the formality, the pace of city life. It was in something subtler and more difficult to name. It was in the way people related to each other, or more precisely, in the gaps between them. The quiet courtesy that kept relationships at a certain distance. The politeness that could, if you were not careful, be mistaken for warmth. The spaces in ordinary social interaction where, back home, there would have been noise and presence and a kind of easy belonging that required no effort to maintain.

He was not unhappy. He was building something, learning, growing. But he was lonely in a way that surprised him, and he noticed that many of the people around him were too: other international students navigating the same distance, young professionals from dozens of different countries, all of them managing the particular kind of isolation that comes not from the absence of people but from the absence of people who understand where you are coming from.

The observation that became an idea

Kehinde began paying closer attention. He noticed that the pattern he was experiencing was not specific to him, to Nigerian students, or to any single nationality. It was common among young adults of British origin and the international community in ways that cut across culture, background, and circumstance. The need for companionship, for being known, for having somewhere to place the emotional weight of the day, was universal. What differed was access to it.

Back home, that access was embedded in the social fabric: in extended family, in communities built around faith and neighbourhood and shared history, in the kind of low-stakes daily contact that accumulates into genuine belonging. In the UK, building that kind of network took time that most international students and young professionals did not have, in environments that did not always make the effort easy.

He began to look at the existing digital solutions. There were apps. There were chatbots. There were mental health tools of varying quality and ambition. And many of them were good, in the narrow way that a well-designed tool can be good without being right for the person trying to use it.

None of them checked in. None of them remembered what you had told them last week. And almost none of them had been built with the awareness that someone navigating emotional stress in the UK as a Nigerian, or as a South Asian, or as a first-generation immigrant from anywhere, might need something very different from the CBT-based self-help exercises designed for a user who had grown up in a completely different emotional and cultural landscape.

From observation to conviction

The MBA gave Kehinde a different set of tools for thinking about the problem, which was better defined through his interactions with people while carrying out his duties at work. He discovered that loneliness was a menace affecting several people, and something needed to be done. He had been a geologist: patient, methodical, trained to understand systems over long timescales. Now he was learning to think about markets, about user behaviour, about the mechanics of building something that scales. The two modes of thinking turned out to be more compatible than they might appear.

Geology teaches you that the most significant things happen slowly and below the surface, that what looks like sudden change is almost always the accumulated pressure of processes that have been building for much longer than anyone noticed. The mental health crisis among young adults globally had not arrived suddenly. It had been building for years across every demographic and geography, quietly, below the surface of the statistics that occasionally surfaced in news reports and public health advisories. The tools had not kept pace with it, and the tools that existed had not been built for the people most affected by it.

Kehinde became convinced that the gap between where the market was and where it needed to be was not primarily a technology gap. The technology to build a better companion existed. It was a cultural gap, a design gap, and a values gap. The products being built were not culturally sufficient. They were not proactive. And they were not treating user privacy as the non-negotiable it needed to be in a space where the data being handled was among the most sensitive that any technology company would ever touch.

Building with his brother

Kehinde's brother, Micheal, brought something essential to the project that Kehinde knew he could not provide alone: technical depth. Micheal's background is in mechatronics engineering, a discipline that sits at the intersection of mechanical systems, electronics, and software. He thinks in terms of systems, in terms of how components interact, and in terms of what happens when a system is placed under pressure.

That perspective shaped the product's technical architecture in ways that are still visible in every design decision Mentivox has made. The choice to build privacy at the infrastructure level rather than adding it as a layer. The decision to build the conversation memory system as a structured retrieval layer that enriches sessions without exposing raw conversation logs to any external pipeline. The insistence on optimising for low-bandwidth environments from the beginning, so that the product works as well in Lagos as it does in London.

The two brothers brought different formations to the same problem, and the product they built together reflects both of them.

Why the UK was the right place to build it

There is something fitting about the fact that Mentivox is being built in the United Kingdom. The UK has a documented crisis in mental health provision: over 343,000 young people waiting for services as of April 2024, a National Health Service under sustained pressure, and a growing institutional recognition that digital tools must fill some of the gap that clinical capacity cannot. Mentivox was designed for precisely that gap.

The UK is also home to one of the largest and most diverse international student populations in the world. It is a country of significant cultural complexity, where millions of people are simultaneously at home and not entirely at home, navigating the distance between the culture they carry and the one they live in. That complexity is the product's natural environment.

It was also designed for everyone who is not in the UK but faces the same emotional reality: the student in Accra managing the pressure of family expectation, the young professional in Lagos who has never spoken to a therapist and would not know where to begin, the immigrant community in Germany navigating a culture that is welcoming but not always easy to feel genuinely part of, or the young professional in Seoul.

The journey to Mentivox was a long one, and it passed through unexpected terrain. A degree in geology. A move across continents. An MBA. A growing conviction, earned through direct experience, that the world needed a different kind of AI companion. And the decision, ultimately, to build it.

"I moved to the UK to study business. I came back with a company. But more than that, I came back with a much clearer understanding of what people need when the world around them does not quite fit."

That understanding is the foundation on which Mentivox was built. And it is the reason the product is the shape it is.