Dr. Alistair Vance
Chief Scientist & Computational Linguistics Researcher
Dr. Alistair Vance serves as Chief Scientist at AdGPT, leading foundational research into how frontier LLMs evaluate multi-source consensus, synthesize citation citations, and score brand authority.
He completed his Ph.D. in Computational Linguistics focusing on probabilistic text generation and citation grounding. At AdGPT, Dr. Vance developed the proprietary Zero-Click Arbitrage Engine and Answer Independence verification frameworks.
His empirical work focuses on benchmarking Perplexity Sonar retrieval, Google AI Overviews ranking factors, and multi-turn prompt context retention across enterprise buying journeys.
Articles & Technical Playbooks by Dr. Alistair Vance
How to Rank in Google AI Overviews (AIO): The 2026 Zero-Click Retrieval Framework & Content Architecture
The definitive engineering framework for ranking in Google AI Overviews (formerly SGE). Master Gemini search grounding, Information Gain scoring, inverted pyramid text chunks, and zero-click citation defense.
How to Rank on Perplexity AI: The Definitive 2026 Citation & Sonar Retrieval Playbook
Deconstruct Perplexity AI’s Sonar retrieval architecture. Learn how to win real-time web citations, engineer markdown tables, and establish multi-source domain consensus.
What is Answer Engine Optimization (AEO)? Technical Frameworks & Schemas
The definitive guide to Answer Engine Optimization (AEO). Learn how to engineer JSON-LD schemas, direct answers, and entity triples for zero-click AI search.
What is Generative Engine Optimization (GEO) & How It Differs from SEO
The definitive executive guide to Generative Engine Optimization (GEO). Learn how to optimize entity triples, vector embeddings, and multi-source consensus to win AI citations.
How AI Answers Questions & Compiles Shortlists
Deconstruct the multi-stage pipeline large language models use to evaluate entities, verify consensus, and compile vendor shortlists for commercial buyers.
Is GEO Replacing SEO? The Integrated Entity Discovery Model
Analyze whether Generative Engine Optimization is replacing SEO. Learn how high-growth organizations combine technical SEO crawling with GEO entity synthesis.
How to Optimize Content for AI Answers: The GEO Best Practices Playbook
Step-by-step playbook to optimize website content for ChatGPT, Perplexity, and Gemini answers using declarative structures, empirical data, and schema markup.
All publications follow AdGPT’s Anti-Fabrication & Verification Charter
Every methodology, economic matrix, and Context Hint recommendation is verified against production ad platform telemetry and tested live across OpenAI, Perplexity, and Anthropic APIs.