Richard Cotton studied Mathematics at the University od Warwick and did his Master of Research in Environmental Mathematics at the University of New York. He now runs the Content Quality team at DataCamp in New York. He has been using R since 2004, in the fields of proteomics, debt collection, and chemical health and safety. He has released almost 30 R packages on CRAN and Bioconductor – most famously the assertive suite of packages – as well as creating and contributing to many others. He also has written two books on R programming, Learning R and Testing R Code.