DrupalTutor / Zengenuity http://drupal.org/node/2704173

DrupalTutor.com provides comprehensive online Drupal classes for site builders, developers, and themers, using an innovative combination of on-demand video lessons and live webinar sessions with an experienced Drupal developer.

DrupalTutor.com is offered by Zengenuity, a full-service Drupal development and consulting agency located in Ann Arbor, Michigan. Zengenuity helps medium to large organizations develop, integrate, and deploy custom web applications using Drupal and other open source software. With a broad range of expertise in software design and system architecture, we enable our clients to tackle the most challenging projects, including social intranets, learning management systems, and customized e-commerce applications.

We're a regular sponsor, organizer, and speaker at DrupalCamps and DrupalCons, and we maintain several modules here on drupal.org.