Hi Moises Durovni,
You can try to refer the following tutorials.
Working with Roles in ASP.NET Identity for MVC:
http://www.dotnetfunda.com/articles/show/2898/working-with-roles-in-aspnet-identity-for-mvc
ASP.NET Identity 2.0: Customizing Users and Roles:
http://johnatten.com/2014/06/22/asp-net-identity-2-0-customizing-users-and-roles/
Best Regards,
Yohann Lu
