How it started
1981 - IMRS founded by Bob Thomson and Marco Arese
1983 - IMRS launches financial and management consolidation software called "Micro Control"
1992 - Arbor Software ships first version of Essbase Online Analytical processing OLAP software
1995 - Due to the success of the "Hyperion" product IMRS changes name to "Hyperion Software Corporation" and the name of the product is changed to "Hyperion Enterprise." Arbor becomes a publicly held company
1998 - Hyperion Software merges with Arbor and the combined company is renamed Hyperion Solutions
1999 - Jeffrey Rodek named as Hyperion Chairman and CEO of Hyperion. Hyperion acquires Sapling Corporation (Enterprise Performance Management applications)
From Wikipedia’s article on Hyperion Solutions Corporation, shared under CC BY-SA 4.0.3
