Sabrina Motta is a data and analytics consultant with over 3 years of experience as a consultant and 15 years of experience in accounting and financial services. She gives a presentation on Azure Analysis Services, which allows users to combine data from multiple sources in the cloud or on-premises into a semantic data model. Azure Analysis Services provides a fully managed platform as a service that enables users to create measures, business rules, and tabular models at different compatibility levels. It offers benefits like easy maintenance, simple scaling of capacity, and pausing of services. Sabrina demonstrates how to set up an Azure Analysis Services model, deploy a tabular model with pet ownership data from South Australia, and explore the results.