Aileen is a software engineer and data analyst with a data background that runs the gamut from experimental physics to healthcare startups to finance. She speaks frequently at industry conferences, and she has given talks and tutorials around the world on the many challenges of time series analysis. She is the author of the forthcoming O'Reilly title, "Practical Time Series Analysis". Aileen has a range of teaching experience, including conducting tutorials at several international Python and machine learning conferences. She has lectured in a variety of undergraduate and graduate level courses while a graduate student at Columbia and Yale universities. She is comfortable presenting machine learning and programming topics to audiences of both small and large sizes.