About DeclareDesign

Principal investigators

Graeme Blair, Jasper Cooper, Alexander Coppock, and Macartan Humphreys direct the project.

Project contributors

DeclareDesign has benefited from the contributions of many researchers and coders. We recognize contributors in addition to the principal investigators to each component:

DeclareDesign for R: Neal Fultz

estimatr for R: Luke Sonnet

fabricatr for R: Aaron Rudkin

randomizr for Stata: John Ternovski

DeclareDesignShiny: Clara Bicalho, Neal Fultz

DesignLibrary: Lily Medina, Tara Slough

declaredesign.org: Nicholas Rivera

We thank contributors to earlier iterations of the project Thomas Leavitt, Tara Slough, Georgiy Syunyaev, and Anna Wilke.

We also thank early beta testers Lauren Young, Erin York, and Yang-Yang Zhou.


We encourage you to contribute to our design library, as well as to submit bug reports and feature requests as Github issues. We ask that you agree to our code of conduct.


We are grateful for major funding from the Laura and John Arnold Foundation and seed funding from EGAP – Evidence in Governance and Politics.