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Global Leadership


Nielsen’s global leadership team includes diverse leaders focused on empowering the media industry with independent data and insights that represent all audiences.

Karthik Rao

Chief Executive Officer

Warren Jenson

President and Chief Financial Officer

George D. Callard

Chief Legal and Business Affairs Officer

Sandra Sims-Williams

Chief Diversity Officer

Tina Wilson

Group General Manager, Portfolio Analytics

Sujit Das Munshi

General Manager, Gracenote Business

Amilcar Perez

Chief Revenue Officer

Ryanne Laredo

SVP, Customer Experience

Deirdre Thomas

Chief Product Officer

Pete Doe

Chief Research Officer

Srini Varadarajan

Chief Technology Officer

Christine Pierce

Chief Data Officer

Carole Robinson

Chief Communications Officer

Nicolina Marzicola

Chief People Officer

Alison Gensheimer

Head of Global Marketing

Stefan Maris

Chief Partnership Officer