Our experts

Every article is reviewed by a senior SEO specialist.

Our Solution Architects have run SEO for global brands and agencies. Now they help brands get chosen in AI answers, and they check what we publish before it goes live.

The reviewers

Meet our Solution Architects

Isabella WillumsenSolution Architect, AI/GEO Specialist

Niels LindegaardSolution Architect

Nikolaj PetersSolution Architect

Isabella Willumsen

Solution Architect, AI/GEO Specialist at 3RD

Isabella helps brands and agencies understand why ChatGPT, Gemini and Perplexity mention their competitors instead of them, and what to change. She has worked in SEO and digital marketing since 2015.

Group Digital Manager, European LifeCare Group (2022–2025)
Partner and SEO consultant, Wolfpack (2020–2023)
Commercial Partnerships Executive EMEA, momondo and KAYAK (2018–2020), working with airlines and online travel agencies across six travel brands
Site Manager, Innovation and Media, INBOUND CPH (2015–2017), running SEO and online marketing for six websites in Swedish, Danish and English

Expertise: AI search optimization (GEO), technical SEO, multi-language and multi-market SEO, travel and healthcare.

Isabella on LinkedIn

Articles Isabella has reviewed

Niels Lindegaard

Solution Architect at 3RD

Niels helps brands and agencies understand and improve how they are mentioned and recommended in ChatGPT, Gemini, Perplexity and other AI assistants. Before 3RD he spent four years leading SEO strategy for global brands at WPP Media Denmark.

Senior SEO Manager and Team Lead, WPP Media Denmark (2025–2026), leading a team of SEO specialists
Senior SEO Strategy Specialist and Professional Lead, WPP Media Denmark (2022–2025), on SEO strategy for brands such as Nestlé, Novo Nordisk, Toyota, Nordea and Nespresso
SEO Specialist, Iternum Digital (2021–2022), on e-commerce SEO

Expertise: SEO strategy for enterprise brands, e-commerce SEO, AI visibility.

Niels on LinkedIn

Articles Niels has reviewed

Nikolaj Peters

Solution Architect at 3RD

Nikolaj has more than ten years in SEO and digital performance, from technical audits to running agency SEO teams. He also works as a freelance senior SEO consultant.

Head of Digital Performance, Klar (2025–2026), responsible for SEO, CRO, e-commerce, paid media and attribution
Director of Organic Performance, Klar (2024–2025), building the team behind SEO, content and data
Executive Director, Owned Media, iProspect (2021–2024), co-responsible for the agency's P&L and leading the SEO team, after roles as Senior SEO Manager, Team Lead and Head of Owned Media (2018–2021)
SEO Manager, Resolution Media (2016–2018): technical audits, keyword strategy and content plans for B2B and B2C brands
Content and Production Specialist, Houzz, London (2015–2016), helping launch Houzz in Denmark

Expertise: technical SEO, organic and paid performance, attribution, SEO team leadership.

Nikolaj on LinkedIn

Articles Nikolaj has reviewed

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