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Stephen F. Heffner

Systems programmer and architect since 1964, independent consultant since 1972. Real-time, operating systems, DBMS, computer simulation, compilers, networking, industrial automation. Software and IT expert witness.

Founded Pennington Systems Incorporated in 1977. Created XTRAN, a computer language expert system (meta-tool) for automating the analysis, re-engineering, and translation of assemblers, 3GLs, 4GLs, XML, HTML, proprietary languages, and more.

Wharton Business School adjunct faculty, 1981 (Lecturer) to 1994 (Adjunct Associate Professor of Decision Sciences).

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