[7][8] Ellis Jacob's entry into the film exhibition business took place in October 1987 when he joined Cineplex Odeon Corporation as its chief financial officer.

[8] Under his role, he helped bring the upstart movie chain back from the brink by 1993, and was promoted to chief operating officer in 1996.

[9] Shortly in October 1999, Jacob and Gerry Schwartz (CEO of Onex Corporation) founded Galaxy Cinemas with their mission to build 20 theatres in small and medium-sized cities across Canada.

[9][11] In June 2005, Cineplex Galaxy acquired Famous Players from National Amusements, under Jacob's watch, doubled its size.

[12] Since the 2010s, Jacob began expanding several concepts beyond movie theatres such as the launch of The Rec Room and foraying into eSports and Digital Media.