Jon Bremnes
Group CIO (interim) at Tieto
Oslo, Norway
Summary
👤
Senior🎓
Top SchoolJon Bremnes is a seasoned technology executive with over two decades of experience driving large-scale digital transformation, cloud adoption, and cybersecurity maturity across banking and financial services. Currently serving as Group CIO (interim) and CTO at Tietoevry Banking, he has led multi-billion-dollar IT integrations, cloud-first SaaS transitions, and identity/security overhauls that reduced costs and modernised operations. He combines enterprise architecture rigour with hands-on delivery—migrating thousands of users and tens of thousands of collaboration sites in complex mergers and embedding Schrems II and ISO27001-compliant controls. Known for building high-performance teams and decentralising security governance, Jon has validated thousands of supplier and customer agreements to operationalise compliance at scale. His career blends consulting, program delivery and product-oriented cloud services, reflecting a rare ability to translate regulatory and operational risk into scalable technology platforms. Based in Oslo with a BSc in Computer Science, he brings pragmatic leadership that balances strategic vision with measurable operational impact.
10 years of coding experience
13 years of employment as a software developer
Bachelor of Science with Honours Computer Science, Bachelor of Science with Honours Computer Science at Newcastle University
English
Github Skills (13)
parser10
java9
html-parser9
jsoup9
dom9
editing9
xml9
css-selectors9
css8
xss8
html7
xpath7
javascript6
Programming languages (3)
Github contributions (5)
JonEgilH/e-tinglysing-afpant
Jun 2020 - Nov 2020
AFPANT - Altinn Formidlingstjenester for kjøpers e-signerte pantedokument
Contributions:5 pushes in 4 months
altinn
bitsnorge/e-tinglysing-afpant
Dec 2022 - Jan 2023
AFPANT - Altinn Formidlingstjenester for kjøpers e-signerte pantedokument
Contributions:17 reviews, 6 commits, 24 PRs in 1 month
altinn
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