SHREYAS SUBRAMANIAN, PhD, is a principal data scientist at AWS, one of the largest organizations building and providing large language models for enterprise use. He is currently advising both internal Amazon teams and large enterprise customers on building, tuning, and deploying Generative AI applications at scale. Shreyas runs machine learning-focused cost optimization workshops, helping them reduce the costs of machine learning applications on the cloud. Shreyas also actively participates in cutting-edge research and development of advanced training, tuning and deployment techniques for foundation models.