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Solution Architect, AI/GEO Specialist

Isabella Willumsen

Isabella is a senior SEO specialist and Solution Architect at 3RD. She has worked in SEO and digital marketing since 2015, across travel, healthcare and multi-market brands.

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Isabella Willumsen is a Solution Architect and AI/GEO specialist at 3RD. She helps brands and agencies understand why ChatGPT, Gemini and Perplexity mention their competitors instead of them, and what to change. At 3RD she reviews our articles on AI visibility for accuracy.

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
  • AI search optimization (GEO)
  • Technical SEO
  • Multi-market SEO
  • Travel
  • Healthcare

Articles reviewed by Isabella Willumsen

AI searchThe best AI visibility tools in 2026: 11 tools compared for marketing teamsOct 23, 2026Industry newsMuse, Grok Bot, and Instinct: how AI agents change what customers do, and what marketers measureOct 20, 2026AI searchHow brands build the trust and authority that make AI recommend themOct 19, 2026AI searchAI visibility for regulated pharma brands: monitoring what AI says about your medicinesOct 19, 2026AI searchHow to track AI visibility by country and languageOct 19, 2026AI searchThe best European AI visibility platform: languages, markets and EU requirements (2026)Oct 19, 2026AI searchPeec AI alternatives in 2026: an honest guide by team typeOct 19, 2026AI searchWhat is Generative Engine Optimization (GEO)? The complete guideJul 18, 2026