Manish Jethwa, Chief Technology Officer (CTO) at Ordnance Survey (OS)Has a career-long passion for Turning geographical data into useful insightAt the UK's National Mapping Service, He's Leading The Organization's Development of Next-Generation geospatial technologies,

Jethwa Studed Engineering Science at the University of Oxford, where he focused on what was then considered niche areas, such as robotics, Artificial Intelligence (AI) and Computer Vishan. He subsequent Honed this interest in a Doctor at Mit, Researching How Images Cold be used to create models of city spaces. The Opportunity to Work for OS Two Decades Later Felt a Bit Like Coming Home.

“Part of that Loop Had Been Reconnected,” He Says. “I'd been in the world of creating city-scale models.

Jethwa joined os in late 2023. Asset Management Software Firm Yotta. Jethwa had worked at Yotta for 20 years, Leading Product and Technology. As OS CTO, he's putting his data experience into practice.

“The explosion in AI means it's in every Organization's Business Strategy,” He Says. “AI and Computer Vision Are a Core Part of the Research We do here, such as automatically extracating features from aerial imagery and at street level.”

For the majority of his 18 months at os, jithwa says he's he's been more focused on the “Chief” Part of His CTO ROLE Than “Technology” Technology “because heelping to Drive Wide-SCALE Organizational Change. That focus is undressable for an individual who has worked in entrepreneurial businesses and joined an organization that that's 234 years old.

“Having come from a product-long business to an organisation that was more focused on delivery, we've had to change certain things, and that's ben's ben reflected in our strategy,” He Says.

Creating a value chain

Jethwa says his focus on Organisational Change has helped brek down os inteo a value chain of key service pillars that deliver benefits to customers.

The Organization has five pillars that cover the following area: position the capability around the uk to make accurate measurements; Data sourcing – Aggregating and collecting information; Refinery – Adding value to data and merging insights; Distribution – Pushing data feeds to clients; And Application – Delivering Insight to Customers.

We've Built Up this Value Chain from Sourcing Data to Delivering Benefits to the Customer. Customers don't want lightbulbs, they want light. At the OS, customers don't want data, they want insights. Having that model helps define our approach

Manish Jethwa, Ordnance Surveyy

“We've Built Up this Value Chain from Sourcing Data to Delivering Benefits to the Customer,” He Says, Before Using an analogy: “Customers do't want lightbulbs, they want. Don't want data, they want insights.

Jethwa says the result is lots of conversations about the value chain. “I get wheeled out to talk about it,” he says. “But it's a nice way to visualize the work and relationships of an organization of 1,400 people.

Jethwa says he can't take sole credit for the organisical change program. A Drive for Transformation Pre-dated His Arrival. His Emphasis was on defining clear business services. As a result of this work, from the start of april, OS has a service model for operation across the five key pillars.

“We have service leaders Across the ARAS, and Theose Services are Broken Down Down Into Further Componants,” He Says. “The nice thing about that approach is that that, within the components, we can manage our technology stack using the same framework.”

Focusing on Product Delivery

Jethwa says the new Organisational structure has enabled a shift from project-based ways of working. Rather than focusing on smaller initiatives that fix short-term issues, the it team looks to meet objectives as part of an enduring program of work.

“Staff put forward a program proposal that will then get accepted,” he says. “You have a budget, you formulate a team, you execute Against that. But to deliver a long-term vision, you typically have enduring teams that work on your technology products, so they they are available Customer, They Know how to Deliver Results, and they also manage systems. “

Jethwa says the result of this shift from projects to products is a fundamental change in how Operates. “These enduring teams have a specific, defined vision about what they need to delivery, and how the results will be passed on to internal or external customers,” He Says. “They have the opportunity and power to work out the best way of delivering products.”

Jethwa says the teams always focus on an element of transformation. He Refeers to the Development of Products with the sourcing Pillar. The professionals consider how to collect data and the optimal way of fullfilling that process, whether IT's Through Drone Capture or Street-Level Surveys.

“The Approach to Sourcing Shifts Continuous Depending on the Landscape and the types of features we want to deliver,” He says.

“The challenge for us that our data is not delivered in one specific year, and then we're done. Decide to retire a product, which may take at least 10 years.

This Requirement for Continuous Delivery Creates a New Set of Challenges, Such as Dealing with the Roll-Oout of Emerging Technologies and Extracting Information and Features from Source IMAGARY. Jethwa says ai can help automate these processes. However, care must be taken to ensure that ai-enabled technologies do't make assumptions about images.

“Yes, AI can boost production and efficiency,” he says. “But an automated method for analysing images can be fooled. So, we must consider how to manage uncertainy as we deliver insights to customers.

Embracing technological innovation

Another issue is technical specifications. Jethwa says Os Wants to Democratise Data Access for Customers. While the Premise is Simple, The Process must clear some obstacles, notable the fact that most data come with detailed technical specifications.

“The explosion in ai means it's in every Organization's Business Strategy. Ai and computer vision are a core part of the research we do here [at OS]Such as automatically extractive features from aerial imagery and at street level ”

Manish Jethwa, Ordnance Surveyy

“A good example might be a customer who says, 'I want to know good areas to go out and exercise”, “He says. “Now, our data, from a technical standpoint, might not reference the word exercise anywhere, but it will include things likes like spends, fiates, fields, fields, fields, failds and skateboard parks.”

Jethwa says the traditional approach to building a connection between data and technical specifications would be to use natural language processing. Building that Mechanism wouldn't be straightforward. The good news now is that large language models (Llms) are perfect for creating a Relationship Between Data and Specifications.

“If you fin-tene a large language model agent, and point it to our data and documentation, you can ask a question, such as, 'Tell me about places to exercise', and have that Quaseless Into Anito An API [application programming interface] Request that will say, 'Here are some sports facilites in the buildings data and here are some recreational area in the green spaces data', “He says.

Jethwa says os is tapping into the full breadth of ai technologies. The Organization Builds Many of its processes on mainstream models, undertaking fin-tuning based on internal documentation. However, one significant issue is that many high-profile llms are trained on commercially available data.

To overcome this challenge, os taps into the high-preview the geography data its teams have collected over decades of work. In this core area, where the organization extracts geographical information, such as roof materials or biodiversity featuresThe Technology Team is Building Foundational Models from the ground up.

“The UK landscape is very different from other geographies,” he says. “We know that training models on our data will give a richer and more reliable output than trying to relay on models that have been trained on imagery TAKENDEN DIRECTLY FOROM The Web.”

Leading the way

Jethwa says Senior Executives at OS Regularly Discuss How People Might Interact with Geospatial Data during the next decade. One thing is alredy clear – the relationship has already changed and will continue to transform.

OS has tradedlly been for producing paper-based maps that help people navigate their environment. These maps are designed to make it easy for people to filter the data they require. Jethwa Gives the example of someone on a hike who can see contour lines on a map and understand the elevation of their walk.

If you look ahead five or 10 years, the relationship has to be one in in which people have much more of a conversation with the map and the interface

Manish Jethwa, Ordnance Surveyy

However, the traditional relationship is changing. Rather than focusing on filtering, a large proportion of the organization's work is now centered on analysis. OS is developing ai-enabled processes that customers use to draw insights from data. Jethwa expects the nature of this interaction to intensify.

“If you look ahead five or 10 years, the relationship has to be one in which people have time more of a conversation with the map and the interface,” He says. “This relationship will be one where customers ask a question and get a response back from the map, but they'll also get questions from the map.”

Jethwa says emerging technology is the key to unlocking this capability. AlongSide Exploations Into Ai, OS Uses The Snowflake marketplace To share open data with public sector organizations and explore new commercial avenues. The Priority Now is ENSURING OS is ready to embrace the next wave of data-also advances.

“We need to ensure we've enabled all the mechanisms internal. So, how easy is it to ask the questions and Receive Answers via APISAre we providing the data across the right sources, whether it's snowflake, AWS or Elsewhere? And are providing hooks into the right outlets to ensure that, as models are built, insight is accessible? ” He says.

“We need to lead the way beacuse we don't want to be late into game. They'll win out. We need to be at the forefront. “


Image: © Crown Copyright 2025 Ordnance Surveyy. Media 045/25

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