
Marcus O’Dell is Director of SEO and AI Search at Sentic, where he specializes in answer engine optimization (AEO). He joined Sentic as a paid media manager in 2022 and went on to build the agency’s SEO, analytics, web development, and AEO practices.
He leads organic and AI search strategy for 35+ client accounts across healthcare, senior living, hospitality, B2B SaaS, and ecommerce. His work centers on technical SEO, structured data, and measurement in Google Analytics 4 and Google Tag Manager.
Before Sentic, Marcus was a digital strategist at Walker360 and spent about four and a half years in Birmingham city government, including media and digital strategy for the Birmingham City Council. He holds a BS in Political Science and International Relations from Jacksonville State University.
Areas of focus
- Answer engine optimization (AEO)
- Technical SEO
- Schema and structured data
- Google Analytics 4 and Google Tag Manager
- Website builds and migrations
Articles by Marcus
- State of AI Visibility 2026: Who AI Search Names and Who It Cites
- AI Search Glossary: 42 Terms for AEO, GEO, and AI Search
- AEO vs SEO: What Changes and What Doesn’t
- Answer Engine Optimization (AEO): The Complete Guide
- SEO in 2026: How AI Is Rewriting the Rules of Search (And What to Do About It)
- Proven SEO Tactics to Rank Higher in 2026
- Marketing Attribution Models: How to Measure What Drives ROI
- GA4 Guide: Key Events, Setup, and AI Traffic Tracking