Kamelia Aryafar, Ph.D. is the Director of Machine Learning (ML) at Overstock.com. She leads a team of data scientists and machine learning engineers focused on building scalable ML/AI and computer vision tools to curate a personalized experience for Overstock users. Prior to Overstock she has been a Senior Data Scientist at Etsy for more than four years. Before Etsy, she was doing a Ph.D. in computer science and machine learning in Drexel University, building large-scale music classification models.