Guillermo Mosse Nusbaum is Senior Machine Learning Scientist and ML Science Manager at Wayfair, where he leads large scale machine learning and generative AI initiatives that improve product data quality, automation, and customer experience across millions of products and complex systems. With over a decade of experience in data science, machine learning, and software engineering, he has delivered high impact AI systems used in production at scale. Originally trained as a mathematician, Guillermo combines deep technical depth with strong communication skills to translate complex AI concepts into business value. His work spans multimodal AI, recommendation systems, product tagging, and agentic AI research, and he focuses on applying generative AI to solve real world enterprise problems.