Experts & Staff


WRI’s experts are leaders in their fields. Their work spans topics such as food and land use, energy, cities, climate, economics, finance, governance and more.

Our more than 2,000+ staff work on the ground in more than a dozen focus countries and with partners in over 50 nations. Contact our media team to arrange an interview with any of our experts.

Program Experts & Staff

Ettore Arpini

Director for Strategy and Impact, WRI Brasil

Ettore Arpini.

Tatiana Bogdanova

Product Specialist, Global Forest Watch, Data Lab

Tatiana Bogdanova

Despina Gkotsidou

Program Assistant, Data Lab Product Studio

Despina Gkotsidou.

Clemens W. Janssen

User Research & Engagement Lead

Clemens Janssen.

Anne Maassen

Senior Urban Research, Knowledge & Learning Manager, WRI Ross Center for Sustainable Cities

Anne Maassen

Kirian Mischke-Reeds

Research Analyst, Raising National Climate Ambition

Kirian Mischke Reeds.

David Pérez-Barbosa

Global Data Coordinator

David Pérez Barbosa

Peter Potapov

Satellite Interpretation Researcher

Peter Potapov

Katharina Wache

Research Analyst, Corporate Water Stewardship

Katharina Wache