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The Bay Area Team

Erin LeDell

Erin is the Chief Machine Learning Scientist at, where she works on the open source machine learning library, H2O. Before joining, she was the Principal Data Scientist at and Marvin Mobile Security and the founder of DataScientific, Inc. Erin received her Ph.D. in Biostatistics with a Designated Emphasis in Computational Science and Engineering from University of California, Berkeley. Her research focuses on ensemble machine learning, learning from imbalanced binary-outcome data, influence curve based variance estimation and statistical computing. She also holds a B.S. and M.A. in Mathematics.

Alexandra is a software engineer at SigOpt, an SF-based Bayesian Optimization as a service startup. She believes that machine learning will become more and more accessible over the coming years, and she strives to build products that make the state of the art in machine learning effortless to use. Alexandra is an active member of the Machine Learning community in San Francisco, and has given tech talks about hyperparameter optimization at meetups and international conferences in both San Francisco and New York. Previously, she worked on recommender systems at Polyvore, Rent the Runway, and Facebook. She holds a bachelor's degree in computer science from Carnegie Mellon University.

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Ivy is a data-science and machine-learning enthusiast. She earned her Ph.D. in Chemistry with the specialty in mass spectrometry and molecular dynamics simulations from the University of Washington. She found her passion for data analytics while conducting one of her Ph.D. projects, which focus on structural elucidation of gas-phase molecules using tandem mass spectrometry technique and computational chemistry concepts. She also holds a B.S. in Chemistry with two minors in Scientific Computation and Mathematics. Ivy believes in the power of machine learning and deep learning in solving data-related problems in all fields. She is currently an active member of the Machine Learning and Data Science community in the San Francisco Bay area.

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