Hadley Wickham is a former Associate Professor of Statistics at Rice University, now Chief Scientist at RStudio and Adjunct Professor at Rice University.

Hadley is author of numerous R packages, including:

- ggplot2, an implementation of the Grammar of Graphics in R
- Tools for model visualisation: classifly (classification boundaries), clusterfly (clusterings) and meifly (ensembles of linear models)
- DescribeDisplay, a package for recreating GGobi graphics in R
- rggobi for fluidly moving data and metadata between R and GGobi
- plyr, a package that generalises and standardises the apply family of functions for problems that require you to split up a large data structure into multiple pieces, apply a function to each piece and then join the pieces back together
- testthat, a friendly unit testing framework for R
- profr, an alternative visualisation for profiling data
- reshape for flexibly restructuring data in R

Contact details:

- h.wickham@gmail.com /hadley@rice.edu
- Mobile: (515) 450 8171
- Work: (713) 348 2278
- Skype: hadleywickham
- Duncan Hall 2058, Rice University, Houston TX 77005