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Robert D. Johnson has been a member of the Board since July 2010. Mr. Johnson retired in 2008 as Chief Executive Officer of Dubai Aerospace Enterprise (DAE), a global aerospace engineering and services company. In 2005, prior to DAE, Mr. Johnson was Chairman of Honeywell Aerospace, a leading global supplier of aircraft engines, equipment, systems and services, where he also served prior to 2005 as President and Chief Executive Officer. Prior to Honeywell Aerospace, Mr. Johnson held management positions at various aviation and aerospace companies. He served on the board of directors of Ariba, Inc., a publicly traded software company, from 2005 to 2012, and currently serves on the board of directors of Spirit Aerosystems, a publicly traded aerospace components company that is not affiliated with Spirit Airlines, and Roper Industries, Inc., a publicly traded diversified industrial company.