Vittorio Bertocci is Principal Program Manager in the Azure Active Directory team, where he looks after Developer Experience: Active Directory Authentication Library (ADAL), OpenId Connect and OAuth2 OWIN components in ASP.NET, AAD integration in various Visual Studio workstreams, and a lot of other things he can’t tell you about. Vittorio holds a Master's degree in Computer Science, and worked in the software industry for two decades. He devoted the last 10 years to distributed systems, identity management and the promotion of claims-based approaches with the dev community and Fortune/Global 100 companies. Vittorio is a published author. He maintains a popular blog at and tweets as @vibronet.