Marianne Windirsch provides consulting services in matters of economic competition. She also advises clients in procedures processed before Mexico's Federal Economic Competition Commission and the Federal Telecommunications Institute.

Marianne focuses on competition risk assessment of commercial models and practices, as well as internal investigations. She has advised companies in the pharmaceutical, financial, electronics, consumer, and telecommunications sectors. Before joining Hogan Lovells in 2016, Marianne advised technology-based startups.