[4][5] It was initially focused on photographic processing – drawing on the previous work experience of two of his older brothers[4] – and was based inside Miracle Mart department stores.
[2][5] Although its early productions were mediocre, the sex comedy Porky's (1982) became the highest-grossing Canadian movie at the North American box office for two decades until My Big Fat Greek Wedding in 2002.
[5] The success of Porky's enabled Astral to have more room to manoeuvre financially,[2] and the Greenberg brothers quickly divested from film production in favour of pay television.
[7] Under Greenberg's direction, Astral Media had grown to operate 84 radio stations,[8] 24 pay and specialty television channels,[9] and over 9,500 out-of-home advertising faces.
[11] On March 16, 2012, Astral Media announced it had signed an agreement to sell the company to BCE, Inc (Bell Canada).
[13] He was a member of the Canadian Council of Chief Executives and a governor of the Sir Mortimer B. Davis Jewish General Hospital in Montreal.