Oliver (Ollie) Cronk is an independent chief architect and the founder of Cronk Advisory, which brings independent chief architecture thinking to organisations facing complex technology decisions. His work spans enterprise and business architecture, AI strategy and sustainable technology, with a particular focus on the long-term risks and the environmental and social impact of AI. He works with the Green Web Foundation on DIST (Digital Impacts Schema and Taxonomy), an open standard to help organisations report the environmental impacts of their digital services alongside their carbon data, and runs workshops to help shape it.

Ollie was previously Technology Director at Scott Logic, where he led the sustainable technology practice and enterprise AI architecture R&D, co-authored the open Technology Carbon Standard and co-hosted the Beyond the Hype podcast. Before that he was Chief Architect at Tanium, the cybersecurity and IT operations platform, and at Deloitte UK Risk Advisory. He began his career as a software engineer and technical lead on public sector programmes in energy and the environment at AEA Technology.

In 2019 Ollie founded Architect Tomorrow, a global community, podcast and newsletter for architects who want to shape a brighter future. He is a founding member and UK co-lead of the Chief Architect Network, a member of the BCS Enterprise Architecture Specialist Group, a Green Software Foundation Champion and a BCS Chartered IT Professional (CITP). Outside work he is a keen cyclist, having ridden Land's End to John o' Groats twice, and an amateur photographer.