Vittorio Bertocci is a Principal Program Manager in the Microsoft Identity division, working on developer experience related to identity services, both on premises and in the cloud. As Architect Evangelist at Microsoft, he spent several years helping major enterprises build advanced identity solutions based on new Microsoft technologies. A published author, he frequently speaks at international events such as TechEd, PDC, Build and Ignite. He blogs on identity topics at www.cloudidentity.com and tweets as @vibronet. His latest book, Modern Authentication with Active Directory for Web Applications, was published in January 2016.