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Career profile
Ray Usher
Data Scientist at Twitter
Los Angeles, California, United States
Career path.
- Twitter
Data Scientist
Jun 2015 - Present - Amazon
Senior Data Engineer
Aug 2012 - Mar 2015 - InterWorks
Data Engineer
Jun 2008 - Mar 2012 - IBM Global Services
Software Engineer
Sep 2004 - Feb 2008 
MicrosoftSoftware Engineer
Jul 2001 - Feb 2004