About
I turn digital technology into lasting capability.
Data, code and AI do not last on their own. What makes them hold is transforming the systems, practices and people around them. That is the work I do.
Short bio
Jimeno Fonseca leads Digital Engineering at Axpo Grid in Switzerland, where he is advances the topics of Digitalization and IT operations in power networks— including the first substation in the DACH region built without a single paper plan. He created City Energy Analyst, an open-source urban energy simulation platform now used in more than 75 countries, and co-founded Superurbana GmbH, which commercialised that work until 2025. He holds a PhD from ETH Zürich, is a certified Agile Practitioner and an active member of CIGRE, and contributed data to the IPCC 6th Assessment Report on Climate Change. Off the clock, he plays music and takes photographs.
01Proof of scale
Built and scaled Digital Engineering at Axpo Grid from zero to a full team of engineers and application managers within three years.
Manage a multi-million CHF budget, transitioning digital initiatives from pure cost centres into protected business value.
Scaled software capabilities from local academic prototypes to active commercial deployment across 75+ countries.
02Key enterprise outcomes
Digital Transformation at Axpo Grid — from OPEX to revenue-generating value
Transitioned internal engineering capabilities into market-facing products, turning a cost centre into a protected, multi-million CHF service line.
See case study→Cloud Solution for City Energy Analyst and Superurbana GmbH — scaled and commercialised IP
Built and scaled an open-source urban simulation platform to 75+ countries and commercialised the core IP.
See case study→Insights for the IPCC 6th Assessment Report — contribution to global policy
Developed two multiphysics and data-driven models quantifying how climate change moves energy demand for the IPCC 6th Assessment Report.
See case study→03Operating principles
Make room for invention on purpose
Innovation requires dedicated time, space, and a mandate to experiment without permission.
Technology integration is expectation management, not architecture
Successful integration relies on managing user expectations and adapting processes, not just software architecture.
Plan to maintain, from the day you decide to build
The true cost and value of technology lie in its long-term maintenance, not its launch.
Move technology from liability to protected value
Make the value visible before asking for the budget — that is what turns a cost line into something the business protects.
Aim to be first — and know when not to
Recognise when to invent and when to be a fast follower, to optimise time to market and budget.
04Recently