Nicholas Greiner, a highly accomplished software development manager and technical lead, has spent much of his career at Amazon, where he led a variety of crucial teams including Items and Offers Platform, Prime Video Search and Browse, and Selection Contribution Platform. He is currently the NYC Site Lead/Item Relationship & Identity Services (IRIS) at Amazon, where he helps build and manage the world's largest e-commerce products catalog. With a BS in Computer Science and a 3.8 GPA from The City College of New York, Greiner brings a wealth of knowledge in product data systems, software engineering, and technical leadership to every team he manages. Before joining Amazon, Greiner was a Manager of Software Engineering and Manager of Product Data Systems at Barnes & Noble, Inc. Furthermore, he was a Technical Lead at Graham Capital Management and Cornerstone Capital Management.