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Stephen Humphrey is a seasoned Senior Software Engineer with extensive experience in the rail industry, currently working at Progress Rail Services since April 2014. Prior to this role, Stephen served as a Senior Software Engineer at Invensys Rail from October 2009 to April 2014. Stephen's career began at GE Rail, where a consistent position as Senior Software Engineer was held from August 1989 to September 2009, which also included roles at General Electric and GE Transportation Global Signaling during that time. Stephen holds a degree from the University of Missouri-Columbia, completed in 1989.