Keane was founded in 1965 in Boston, Massachusetts by John F. Keane. The company's initial focus was in the healthcare technology sector. The company grew to over 100 employees within ten years. By the 1990s Keane had become a publicly traded company and expanded into software engineering, application maintenance, program management and consulting services.[citation needed] February 7, 2007 - Caritor acquired Keane, Inc. The combined entity retained the name of Keane. The corporate headquarters was relocated to San Francisco, CA and then to Boston, MA.[citation needed] On January 3, 2011, it was announced that Keane had become a wholly owned subsidiary of NTT Data Corporation of Japan.[5] and came to be known as Keane, an NTT Data Company [6] The company was at the time of its acquisition by NTT, approximately half-owned by. In business since 1965, Keane is an IT services firm originated in the United States with approximately 12,000 employees globally.