In 1998 Beck started work in theatre and opened the production company Mystery Ísland in 2006 with Árni Filippusson and Davíð Óskar Ólafsson.

[3] Beck has created and produced concerts and variety programs programmes for Icelandic television featured on the channels Rúv, Stöð 2 and Skjár Einn.

In his role as a spokesperson he met with opponents in television interviews, wrote articles, amicus briefs and gave testimony to the Alþingi (Icelandic Parliament).

As a television producer he has worked with musical acts like Björk, Sigur Rós, Mezzoforte, Ghostigital, Ólöf Arnalds and Sálin hans Jóns míns.

Notably he produced the Nattura concert featuring Björk and Sigur Rós which was broadcast online in cooperation with Apple and National Geographic.