Marc Williame

Marc is Head of Expertise & Innovation at Semactic, where he leads the development of advanced SEO and Generative Engine Optimization (GEO) methodologies, at the intersection of strategy, data and product innovation. With a strong background in technical SEO, semantic analysis and automation, he focuses on turning complex search challenges into scalable, actionable frameworks. At Semactic, he plays a key role in structuring SEO and GEO best practices, designing data-driven workflows, and exploring new ways to measure and optimize visibility across search engines, LLM-based search engines and AI-driven answer interfaces. He works closely with product, consulting and clients to ensure that innovation remains grounded in real-world use cases and measurable impact.