Alyssa Columbus is a Biostatistics PhD Candidate and Vivien Thomas Scholar at the Johns Hopkins Bloomberg School of Public Health. She is a member of the Spring 2018 Class of NASA Datanauts, and her technical guides, tutorials, and articles have been featured by leading organizations, including Google, Microsoft, the American Statistical Association, and the Association for Computing Machinery. Previously, Columbus has worked as an information security analyst, data scientist, and machine learning researcher, and she is a contributor to open-source software with over 49 million downloads. Columbus holds a Bachelor of Science in Mathematics from the University of California, Irvine and a Master of Science in Applied and Computational Mathematics from Johns Hopkins University.