As a UX designer, Yi specializes in enterprise systems, service design, and artificial intelligence-augmented workflows for high-stakes operational environments. At Amazon, he designs internal tools that support HR (Human Resources) service delivery, case management, investigations, and workflow automation at scale, with a focus on making complex systems more usable, transparent, and trustworthy. His work spans policy-aware artificial intelligence (AI) assistance, decision-support experiences, and cross-product platform design for large employee populations. Earlier in his career, he led design for enterprise tools in logistics, healthcare, and data-intensive research environments. He is particularly interested in how User Experience can reduce operational friction, improve decision quality, and shape more responsible human-AI collaboration.