Stephen F. Heffner — Résumé

 Professional Experience

• Computer language analysis, translation, and re-engineering automation systems
• Expert systems design and implementation for symbolic manipulation of computer languages
• Software migration and porting
• Software product design, implementation, documentation, and marketing
• Database Management Systems software design and implementation
• Database design, implementation, and management
• Programming language compilers, interpreters, and runtime systems
• Data communication network design and implementation
• Mini- and microcomputer dedicated application systems
• Message-switching and transaction processing systems
• Distributed processing design and implementation
• Laboratory and industrial automation design and implementation
• Minicomputer simulation and software development systems
• Timesharing operating systems design and implementation
• Data processing management consulting
• Teaching, undergraduate and graduate levels
• Technical writing
• Expert witness assignments in civil litigation

 Computers and Operating Systems

• (Unix — various)
• Data General:  NOVA (RDOS); MV (AOS/VS)
• Concurrent (formerly Interdata and Perkin-Elmer):  7 series (OS/16); 3200 (OS/32)
• HP (formerly Digital and Compaq):  PDP-8; PDP-11 (RT, RSX/IAS); VAX (VMS); PDP-10 (AL/COM, TOPS-10)
• Encore (formerly SEL and Gould):  32
• IBM:  360/370 (OS, CMS); 1130; Series/1 (EDX)
• Intel:  x86 (CP/M, DOS, OS/2, Win32)
• Motorola:  680x
• Texas Instruments:  TMS370
• Univac:  491 (REX); 1005
• XDS (formerly SDS):  Sigma 5/7 (BPM, BTM)
• Zilog:  Z80

 Computer Languages

• Assembly languages for all computer hardware listed above
• BASH
• BASIC
• C
• C++
• Csh
• CL (OS/400)
• COBOL
• DCL (VMS)
• EDL (IBM Series/1)
• eLisp (EMACS)
• Fortran
• HTML
• NPL (Norsk Data)
• Pascal
• PL.8, PL.9, PL/ix
• PL/I
• PL/M
• REXX (IBM CMS, OS/2)
• SNOBOL
• xBase (dBase, Clipper)
• XML

 Professional Associations

• Institute of Electrical and Electronic Engineers (1975-present)
• Association for Computing Machinery (1975-present)

 Academic Appointments

• Adjunct Associate Professor in Decision Sciences, The Wharton School, University of Pennsylvania (1989-1994)
• General Honors Faculty, University of Pennsylvania (1985)
• Adjunct Assistant Professor in Decision Sciences, The Wharton School, University of Pennsylvania (1983-1989)
• Lecturer in Decision Sciences, The Wharton School, University of Pennsylvania (1981-1983)

 Addresses and Presentations

• Presentation:  "Cable and DSL Internet Connections:  Implementation and Security Issues", Trenton Computer Festival, Princeton, New Jersey, 2001
• Presentation:  "Cable and DSL Internet Connections:  Implementation and Security Issues", ACM/IEEE Computer Society, Princeton, New Jersey, 2001
• Presentation:  "Armageddon Worried about the Year 2000", ACM/IEEE Computer Society, Princeton, New Jersey, 1997
• Address:  "Reverse Engineering of Information Systems", Srinakharinwirot University, Bangkok, Thailand, 1995
• Presentation:  "XTRAN:  An Expert System for Translating and Analyzing Computer Languages", Downsizing Seminar, Johannesburg, South Africa, 1993
• Guest lectures:  "Major Trends in Computing and their Implications", Wharton Graduate School of Business, University of Pennsylvania, Philadelphia, Pennsylvania, 1993
• Presentation:  "XTRAN:  An Expert System for Translating and Analyzing Computer Languages", Software Show '92, Tokyo, Japan, 1992
• Guest lectures:  "Data Base Management Systems", Wharton Graduate School of Business, University of Pennsylvania, Philadelphia, Pennsylvania, 1980
• Panelist:  "Distributed Data Processing — Implementation Strategies and Organizational Implications", INFO '80, New York, New York, 1980
• Workshop Chairman:  "Distributed Processing Architecture", SMIS Conference, Philadelphia, Pennsylvania, 1980
• Panel Chairman:  "Toward a True User-Designer Interdependence", 13th Annual National Information Retrieval Colloquium, Philadelphia, Pennsylvania
• Address:  "Distributed Processing Architecture", Association for Systems Management, Ansonia, Connecticut
• Address:  "Microprocessors", Association for Systems Management, Bordentown, New Jersey

 Partial List of Consulting Clients

• ADP — Portland, Oregon
• Alenia un'Azienda Finmeccanica — Rome, Italy
• Allen Systems Group — Naples, Florida
• American Cyanamid Lederle Laboratories — Pearl River, New York
• Babcock & Wilcox NNFD — Lynchburg, Virginia
• Bass, Berry & Sims — Nashville, Tennessee
• British Aerospace & Electronics — Adelaide, Australia
• Compaq GmbH (formerly Digital Equipment GmbH) — Munich, Germany
• Compaq S.p.A. (formerly Digital Equipment S.p.A.) — Rome, Milan, and Turin, Italy
• Concurrent Computer Corporation — Oceanport, New Jersey and other locations
• DEXEL (Pty) Ltd. — Johannesburg and Durban, South Africa
• Dynamics Research Corporation — West Newton, Massachusetts
• Electronic Data Systems — Ypsilanti, Michigan
• Eurocontrol — Brussels, Belgium
• FMC — Princeton, New Jersey and other locations
• GE Information Systems — Rockville, Maryland
• Hewlett-Packard (formerly Digital Equipment Corporation and Compaq Computer Corporation) — Massachusetts, New Hampshire, and other locations
• Johnson & Johnson — New Brunswick, New Jersey
• Joint European Torus (JET) Consortium — Oxford, England
• Landis & Gyr — Zug, Switzerland
• PepsiCo — Valhalla, New York
• Robinson, Bradshaw & Hinson — Charlotte, North Carolina
• Schlumberger Technology Corporation — Austin, Texas
• SRI (formerly RCA) Sarnoff Laboratories — Princeton, New Jersey
• Tractebel Information Systems, S.A. (TRASYS) — Brussels, Belgium
• Transport for London, Street Management Department — London, England

COPYRIGHT 2008; reproduction prohibited without permission.  Revised 2007-03-02

XTRAN is a trademark of Pennington Systems Incorporated.

Pennington Systems Incorporated
8655 East Via de Ventura, Suite G200
Scottsdale, Arizona 85258-3321

Phone:  +1(480)626-5503
Fax:  +1(480)626-7618
Email:  Info@Pennington.com
Web:  http://WWW.Pennington.com

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