Joel is a software engineer, data scientist, and best-selling author * .
He works at a large financial services company where he leads a small team that builds data and ML products.
Previously he did research and engineering at the Allen Institute for Articial Intelligence in Seattle, where he worked on the AllenNLP project.
Before that he engineered software at Google and did data science at a variety of startups.
You can email him at joelgrus-at-gmail, or follow him on Twitter @joelgrus.
(watch out for MLBERT)