Rachel Thomas was one of Forbes's 20 Incredible Women in AI, earned her math PhD at Duke, and was an early engineer at Uber. She is cofounder of Fast.ai, which created the Practical Deep Learning for Coders course that over 100,000 students have taken. Rachel is a popular writer and keynote speaker. Her writing has been read by over half a million people and has been translated into Chinese, Spanish, Korean, and Portuguese.