| 2015-present | 
                    Chief Scientist, Julia Computing, Inc. | 
                
                
                    | Jul. 2002-present: | 
                    MIT (Professor of Applied Mathematics) | 
                
                
                    | 2004-2009: | 
                    Founded and CSO of Interactive Supercomputing | 
                
                 
                    | Jan.-Aug. 1999: | 
                    UC Berkeley (Associate Professor of Mathematics) | 
                
                 
                    | July 1998: | 
                    MIT (Associate Professor of Applied Mathematics) | 
                
                 
                    | 1993-1998: | 
                    MIT (Assistant Professor of Applied Mathematics) | 
                
                 
                    | 1990-1993: | 
                    UC Berkeley (Morrey Assistant Professor) and LBL (Lewy Fellow) | 
                
                 
                    | 1990: | 
                    CERFACS, Toulouse, France. (NSF-NATO Postdoc) | 
                
                 
                    | 1989-1990: | 
                    Thinking Machines Corporation (Computing Scientist) | 
                
                
                    | 1985-1989: | 
                    MIT (PhD Applied Mathematics) Thesis Advisor: Lloyd N. Trefethen | 
                
                
                    | 1984-1985: | 
                    IBM -- TJ Watson Research Center (Predoctoral Research Assistant) | 
                
                 
                    | 1980-1984: | 
                    Yale University (BS,MS Mathematics) | 
                
                
                    | 1982: | 
                    Teacher -- Hampshire College Summer Studies in Mathematics | 
                
                
                    | 1978, 1979: | 
                    Student -- Hampshire College Summer Studies in Mathematics | 
                
                
                    | Consulting: | 
                    Microsoft, Akamai, IBM, Pixar, and NKK Japan |