Abhishek Tayal is a Manager, ML Engineering with Cortex - the centralized machine learning group at Twitter. He manages MLX (ML-Extended Environment) team, working on a variety of problems in the space of recommendation systems at Twitter like Embeddings, Candidate Generation at scale etc. Abhishek started his journey with Twitter as part of the ads prediction team for its direct response ad products. Previously, Abhishek worked with Tellapart, an ad tech startup (acquired by Twitter), and the Prime Video recommendations team at Amazon, where he led the development of the first-generation ML-based recommendation system for videos. He holds a master’s degree from the University of Southern California in LA.