Øystein Ellingbø

ØYSTEIN ELLINGBØ

Chief Technology Officer
Ardoq
SaaS Enterprise Architecture
2025 TOP 30 EMEA CTOs 2025

Career History

Ardoq is a Norwegian company whose cloud-native SaaS platform helps organisations plan and manage enterprise architecture, giving them a detailed view of projects, responsibilities and timelines across the business.

Øystein Ellingbø, now Chief Technology Officer since August 2023, has been a pivotal figure at Ardoq for a decade. He joined when the company was only a handful of people and revenue was a mere $100k. He is currently responsible for the strategic direction and execution across the engineering team. Under his leadership, Ardoq's platform has developed to be a world leader in Enterprise Architecture and the main driver of AI innovation in their space. His contributions also include ensuring world-class availability and hosting efficiency. These achievements solidify his reputation as a trailblazer within the EMEA CTO B2B SaaS community. Prior to his current role, Øystein served six years as Vice President of Engineering, having initially joined the company as a Lead Front-end Developer.

Before Ardoq, Ellingbø built a decade of experience as a consultant with firms such as BEKK and Miles, advising clients on software development and architecture. He holds an MSc in Computer Science from the Norwegian University of Science and Technology (NTNU), awarded in 2006.

About Ardoq

Founded in 2013 by Erik Bakstad (CEO) and Magnulf Pilskog and headquartered in Oslo, Norway, Ardoq is one of the world’s leading vendors of cloud-native Enterprise Architecture software, with a truly global customer base and top tier clients such as Carlsberg, Condé Nast and the United States’ Federal Communications Commission. Ardoq’s software platform is the engine for driving digital business execution, which supports how customers’ business can transform in a world of increasing IT complexity, cloud migration, and the proliferation of applications. Ardoq has been named a Leader in Gartner’s Magic Quadrant for Enterprise Architecture Tools for four consecutive years (2021-2024), highlighting its standing among global peers.

The company has expanded to more than 250 employees, with offices in Oslo, Copenhagen, London and New York. To date it has raised around $163m in funding, including a $125m Series D round in 2022 led by EQT Growth and One Peak.

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