Eric-Jan Wagenmakers

CEO / Founder. Guides the development of JASP.

Alexander Ly

CTO. Responsible for guiding JASP’s scientific and technological strategy and developer of some Bayesian tests.

Bruno Boutin

Lead Software Developer. Responsible for the core development of JASP.

Frans Meerhoff

Software Developer. Responsible for the core development of JASP.

Akash Raj

Software Developer. Responsible for the implementation of UI elements. Implemented the Summary Stats module.

Quentin Gronau

Analyst. Responsible for the t-tests and the binomial test. Implemented the figures for the Bayesian analyses.

Alexandra Sarafoglou

Analyst. Contributing to the multinomial analysis, the video tutorials, and the JASP workshop.

Jan G. Voelkel

Software Developer. Responsible for improving the R analyses.

Maarten Marsman

Analyst. Responsible for the Bayesian linear models (e.g., ANOVA and regression).

Don van den Bergh

Analyst. Responsible for the frequentist and Bayesian reliability analysis, the machine learning module, and the network module. Also part of the workshop organization team.

Johnny van Doorn

Analyst. Responsible for Bayesian nonparametric analyses and part of the workshop organization team.

Dora Matzke

Analyst. Responsible for developing and maintaining the help functionality and the JASP documentation.

Sacha Epskamp

Analyst. Responsible for factor analysis and the SEM module.

Alexander Etz

The voice of many JASP video tutorials and other videos on our Youtube channel.

Erik-Jan van Kesteren

Software developer. Responsible for adding plots, functions, and UI elements, and interfacing R and C++.

Raoul Grasman

Data scientist and code contributor. Responsible for improving code and developing new modules.

Herbert Hoijtink

Contributing to the Informative Hypotheses module.

Joris Mulder

Contributing to the Informative Hypotheses module.

Xin Gu

Contributing to the Informative Hypotheses module.

Richard Morey

Author and maintainer of the BayesFactor package.

Tim Draws

Responsible for communications, as well as the JASP website, blog, and YouTube channel.

Koen Derks

Contributing to the Machine Learning module, and the Bayesian Informative Hypothesis Testing module.

Joris Goosen

Software developer. Responsible for the core development of JASP.

Lotte Kehrer

Contributing to the blog, YouTube channel and manual of JASP.

Natalie Glomsda

Contributing to the international growth and marketing of JASP.

Sophia Crüwell

Contributing to JASP videos and explanatory material.

Šimon Kucharský

Responsible for JASP examples and educational material.

Bart van Dalen

Contributing to the Machine Learning module.

Max Hinne

Contributing to the machine learning module.