Art Technology Group (ATG) was an independent internet technology company specializing in eCommerce software and on-demand optimization applications until its acquisition by Oracle on January 5, 2011. ATG continues to be based in Cambridge, Massachusetts and operates under its own name as a subsidiary of Oracle. The company is a provider of eCommerce software and related on-demand commerce optimization applications. ATG's solutions provide merchandising, marketing, content personalization, automated recommendations, and live-help services. Corporate history, acquisitions 1991: ATG is cofounded by Jeet Singh and Joseph "Joe" Taisup Chung, both graduates of MIT. 1991-1996: ATG delivered consulting services for building Web sites 1997-1998: ATG transitioned to a software company offering several products including an Application Server and an e-commerce platform. 1999: ATG made its initial public offering. 2000-2003: Focused on commerce applications, business tools for content management, merchandising, marketing and analytics; shift to industry standard application servers from IBM, BEA and JBoss. 2004: ATG acquired Primus Knowledge Solutions in a disputed acquisition that closed on November 1, 2004. 2005: ATG completed the integration of the Primus applications onto the ATG Web marketing and ecommerce software platform 2006: ATG acquired eStara, a provider of click to call, chat and call tracking solutions. 2008: ATG acquired privately held CleverSet; the transaction closed on February 6, 2008. 2010: ATG acquired privately held InstantService; the transaction closed on January 12, 2010. 2010: Oracle Corporation reaches an agreement with ATG to start the acquisition process of ATG into Oracle. The announcement of the acquisition agreement was made public on November 2, 2010. 2011: Oracle Corporation completes its acquisition of ATG on January 5, 2011 for an estimated $1 billion, or $6.00 a share. See also Oracle Advertising and Customer Experience (CX) References External links The official ATG User Group ATG Web Commerce Development ATG Group on LinkedIn ATG Software companies based in Massachusetts Companies based in Cambridge, Massachusetts Oracle acquisitions Software companies established in 1991 1991 establishments in Massachusetts Companies formerly listed on the Nasdaq 1999 initial public offerings 2011 mergers and acquisitions Defunct software companies of the United States