Jaysen Gillespie

Jaysen Gillespie is a senior analytics and insights leader at RTB House, a global programmatic advertising company specializing in deep learning-powered retargeting. In his role, he bridges the gap between advanced machine learning advertising technology and the practical needs of marketers, producing research, commentary, and data-driven narratives that help brands and agencies navigate the evolving digital advertising landscape. He is particularly recognized for his work on cookieless advertising, identity solutions, and the implications of privacy-first changes reshaping the industry. Gillespie has built a reputation as a credible voice in AdTech through consistent thought leadership, including contributions to industry publications, participation in webinars, and commentary on trends such as the deprecation of third-party cookies, contextual targeting, and the rise of AI in programmatic buying. His analytical perspective is grounded in real campaign data and platform-level insights from RTB House's global operations, giving his work a practical authority that resonates with both practitioners and executives. Before his current role, Gillespie accumulated experience across marketing analytics and data strategy functions, developing expertise in performance marketing, audience segmentation, and measurement. His career trajectory reflects a broader industry shift toward data science and AI-informed decision-making within programmatic advertising ecosystems.

Last updated Sep 9, 2026 by ATDb automated enrichment · Connections updated Sep 14, 2026