Todd Spangler NY Digital EditorLen Amato, a 13-year veteran of HBO, joined MasterClass as chief content officer at the company that sells subscriptions to celebrity-led online courses.In the new role, Amato will head up MasterClass’ content organization and help lead content innovation, strategy and development of class launches. He reports to David Rogier, founder and CEO of MasterClass.Amato formerly served as president of HBO Films, Miniseries and Cinemax before he departed in late 2020.