Nadia Tuma-Weldon

Nadia Tuma-Weldon is one of the advertising industry's most prominent research and intelligence leaders, known for translating complex consumer behavior data into actionable strategic frameworks that shape how global brands plan and buy media. As EVP and Head of McCann Worldgroup Intelligence, she oversees a global research function that produces some of the industry's most cited studies on topics including media trust, advertising effectiveness, and shifting consumer values — work that directly informs programmatic strategy and media investment decisions across McCann's worldwide network. Tuma-Weldon has built a reputation as a rigorous analyst who bridges the gap between consumer insight and commercial media strategy. Her team's research outputs, including large-scale global studies on topics such as truth in advertising and the evolving relationship between consumers and brands, have become reference points for media planners, brand strategists, and technology partners alike. Her work is particularly notable for its global scope, drawing on data from dozens of markets to surface universal and market-specific trends. A frequent presence at major industry events including Cannes Lions, Tuma-Weldon is recognized as a thought leader whose insights help holding company leadership, agency teams, and clients navigate an increasingly fragmented and complex media landscape. Her influence extends beyond McCann Worldgroup, contributing to broader industry conversations around measurement, consumer trust, and the future of advertising effectiveness.

Last updated Jun 11, 2026 by ATDb automated enrichment · Connections updated Jun 15, 2026