David Quaid is a New York–based international SEO consultant and Managing Partner of Primary Position, an SEO-only agency he founded in 2005 after starting in SEO in 2002. With over 20 years of experience, he specializes in technical SEO, content strategy, international and e‑commerce SEO, and AI‑driven search. He is widely positioned as an AI SEO and GEO/LLM search expert, known for explaining how classic ranking signals still drive generative answers and LLM retrieval. Beyond agency work, he advises startups and SaaS companies, appears regularly on podcasts and YouTube, and is cited as one of the top AI and LLM-focused SEO operators in NYC