Our Team

Max Roser
- Founder and Program Director
Max is an economist at the University of Oxford and the founder of Our World in Data. He began the project in 2011 and for several years was the sole author, until receiving funding for the formation of a team. Max's research focuses on poverty, health, and the distribution of incomes. He has a background in economics, geoscience, and philosophy.
@MaxCRoser

Research Team

Esteban Ortiz-Ospina
- Senior Researcher
Esteban joined our team in 2016. He is working on economic development, the public sector, education, and a wide range of related topics. Esteban completed his DPhil in Economics at the University of Oxford.
esteban@ourworldindata.org / @eortizospina
Hannah Ritchie
- Researcher
Hannah joined us in 2017 as a researcher. She focuses on the long-term development of food supply, agriculture, energy, and environment, and their compatibility with global development. Hannah completed her PhD in GeoSciences at the University of Edinburgh.
hannah@ourworldindata.org / @HannahRitchie02
Joe Hasell
- Research Project Manager
Joe joined us in 2017 and is managing large research projects that require the composition of new datasets on long-term change. He researched the long-term history of famines and is currently researching the history of war.
joe@ourworldindata.org
Diana Beltekian
- Research Assistant (part-time)
Diana joined us in 2017 and as a research assistant she is researching on the long-term history of a large number of aspects including trade, education, and technological change.
@diana_beltekian
Sophie Ochmann
- Research Assistant (part-time)
Sophie joined us in 2017 and as a part-time research assistant she is researching topics in global health, including the history of polio.
@sophie_ochmann
Anstey Brock
- Research Assistant (part-time)
Anstey joined us as a research assistant in December 2018. She has a graduate degree in International Development and Conflict, as well as past experience as a survey researcher. She is working with us on an extensive database on the history of war.

Web Development

Daniel Gavrilov
- Developer
Daniel joined us in 2018 and is helping develop the OWID-Grapher and maintain the website as well as the automated fetchers that keep our datasets up to date.
daniel@ourworldindata.org

Administration

Sonya Bhatt
- Administrative and Finance Officer (part-time)
Sonya joined the team in 2018 and is supporting our work on the administrative and financial side.
sonya.bhatt@oxfordmartin.ox.ac.uk

Contributors

Brian Nolan

Professor Brian Nolan from the University of Oxford collaborated with us on the entry of incomes across the income distribution.
Stefan Thewissen

Stefan Thewissen from the University of Oxford collaborated with us on the entry of incomes across the income distribution.
StefanThewissen.com / @ThewissenS
Samantha Vanderslott

Samantha Vanderslott from the Oxford Vaccine Group and the Oxford Martin School collaborated with us on vaccinations.
Samantha Vanderslott / @sjvanders
Nicolas Lippolis

Nicolas Lippolis from the Centre for the Study of African Economies at the University of Oxford collaborated with us on the structural transformation of economies.
Hannah Behrens

Hannah Behrens from the Department of Biochemistry at the University of Oxford studies infectious diseases and antibiotics. She collaborated with us in researching and writing on her field of expertise since 2017.
@hmbehrens