Michelangelo Rossi is an Associate Professor of Marketing at HEC Paris, and a CESifo Research Network Affiliate. He is also a Hi! PARIS Fellow for the 2026-2029 period.

His research lies at the intersection of industrial organization, quantitative marketing, and digitization. He focuses on platform design, online reputation systems, and competition policy, with a particular interest in how digital platforms and technology markets operate. He is also one of the organizers of the Paris Digital Economics Conference, an annual event that brings together researchers working on the economics of digital platforms and technology markets.