
Global Leadership
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

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