Author
Derek Chen
Founder
Built Polaris GEO to track how AI engines cite B2B brands across ChatGPT, Perplexity, Gemini, and Google AI Overviews.
About Derek
Derek Chen is the founder of Polaris, an AI search visibility platform for B2B brands and agencies. He writes about the gap between traditional SEO and how AI engines actually discover, cite, and recommend companies.
Posts by Derek Chen
May 4, 2026
What to Look for in an AI Search Visibility Tool (2026 Buyer's Guide)
89% of B2B buyers use GenAI in purchasing. Here are the 6 capabilities that separate useful AI visibility tools from expensive dashboards for B2B SaaS teams.
Read postApril 23, 2026
How AI Search Engines Decide Which Brands to Cite
Learn how ChatGPT, Perplexity, Gemini, and Google AI Overviews choose brand citations, and what signals help your content move from retrieved to cited.
Read postApril 17, 2026
My Brand Shows Up in ChatGPT. Am I Safe? No.
Your brand showing up in your own ChatGPT isn't proof of AI search visibility. Here's why self-checks mislead and what to measure instead.
Read postApril 10, 2026
What Counts as Proof in AI Search?
What makes a brand easier to trust, cite, and recommend in AI search? Here is what proof actually looks like, what weak proof looks like, and what to add first.
Read postMarch 28, 2026
Why Brands Disappear in AI Search Even When They Rank on Google
Your Google rankings don't protect you in AI search. Here's why brands disappear from ChatGPT, Perplexity, and Gemini, and how to fix it
Read post