Jason Liu is an experienced AI engineer with over six years of experience developing search and recommendation systems in both academic and commercial environments. His portfolio includes developing computer vision models at the University of Waterloo, shaping content policy at Facebook, and building recommendation engines at Stitch Fix, which brought the company an additional $50 million in revenue. Over the past year, he has consulted for dozens of startups, helping take their RAG solutions from prototypes to systems ready for industrial deployment. Jason is also the author of the open-source Instructor Python library, designed for building advanced RAG workflows.