Our mission is to improve the quality of life of those living in cities, while recognising that technology is a small part of any improvement.


We are responsible citizens first. We’re a steward-owned company, legally bound to both our mission and employee control in perpetuity. We use our structure to make commitments to openness, transparency, privacy preservation and long-term approaches. We evolve with our work and clients. You can read about how and why we started Diagonal.

We don’t collect proprietary data. We base our work on integrated open data sources, making our results repeatable, reproducible and replicable by anyone.

Our team

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Andrew Eland

Software Engineer

Andrew has built software products for around 20 years, leading the global engineering organisations behind Google Maps Mobile, Google’s philanthropic efforts, and DeepMind’s work in healthcare. Andrew’s main interest is building software tools to help people understand, and responsibly change, complex systems. He lives in London, in a house built in 1865 retrofitted to Passivhaus standard. He sits on the board of Genomics England. Reach out if you’d like to chat.

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Claire Fram

Product Manager

Claire specialises in delivering tools for city planning. She’s been the product lead for R&D projects in the built environment - specialising in transport planning projects over the last five years. Most recently, Claire was the product manager for an agent based modelling toolkit - building a suite of data processing tools to model transport networks, infrastructure, and simulate millions of individuals' unique days. Claire is interested in open data and inclusive technologies for urban design.

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Gala Camacho

Data Scientist

Gala is a mathematician and programmer, with a background in education, optimisation and all-things data. She has worked at big corporates and startups within the civil infrastructure and urban planning ecosystem, leading analytics projects strategically and technically. Gala is passionate about using analytics to explore and break down urban and social inequalities. She sits on the steering committee of Women+ in Geospatial, is in the Expert Advisory Group (Governance Framework) for the Cities Coalition for Digital Rights, and is a member of the Ethics Workstream for the OECD Geospatial Lab.

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Samuel Mensah-Bonsu


Mensah helped amazing brands around the world to outperform on their goals, acquire thousands of users and millions in revenue, through design, experience & strategy. He is also experienced in not only developing the physical creation of several products but capable to confidently and passionately pitch and communicate concepts to clients. He also understands the power of teamwork and harnessing potential within those around him.

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Simona Ciocoiu


Simona is a designer with experience exploring digital solutions that can help domain experts think through complex problems in the built environment. Her recent work includes the design and user experience of the Greater London Authority’s Infrastructure mapping application and a flood model viewer for the New York Metropolitan Transport Authority.

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Veronica Barbaro

Principal Planner

Veronica is passionate about cities and positive place-making. She is a chartered Town Planner and brings over 10 years of experience working with major international consultancies (most recently Avison Young and Atkins) on significant infrastructure and regeneration projects including HS2 and key city centre schemes (e.g. Finzels Reach, Bristol and Redcliffe Quarter, Bristol). Veronica has a robust understanding of the development management process as well as development economics and viability considerations. She is an experienced project manager, having led and managed the submission of major planning applications for a range of clients, from both private and public sectors working with large multi-disciplinary teams and complex budgets.