David I. Lehn

Objective

Computer or software engineering position. Preference on open source and "green" technologies industry.

Education

• Graduate, Postponed (all but dissertation complete):
  Doctor of Philosophy in Computer Engineering
  Virginia Polytechnic Institute and State University, Blacksburg, Virginia
• Graduate, May 2002:
  Master of Science in Computer Engineering
  Virginia Polytechnic Institute and State University, Blacksburg, Virginia
• Undergraduate, May 1997:
  Bachelor of Science in Computer Engineering
  Minor in Computer Science
  Virginia Polytechnic Institute and State University, Blacksburg, Virginia
• High School, June 1993:
  Thomas Jefferson High School for Science and Technology, Alexandria, Virginia

Work Experience

• President and co-founder of Virginia Electronic Textile Systems, LLC, 2004 - present:
  • Awarded NSF Phase 1 grant for "An Electronic Textile System for Gait Analysis," January 2005 - June 2005
  • Developed e-textile gait analysis systems and algorithms
• Graduate Research Assistant in the Configurable Computing Lab at Virginia Tech, Fall 2002 - Fall 2003, Fall 2004:
  • Design and fabrication of e-textiles hardware technologies
  • Design and implementation of e-textiles software and simulation tools
• Intern Design Engineer at Intransa, Inc., Summer 2002:
  • Assisted in network storage product development
  • Tasks included software tool development, test generation, and a prototype design integrating a processor core into a FPGA design
• Graduate Research Assistant in the Configurable Computing Lab at Virginia Tech, Fall 1997 - Spring 2002:
  • Configurable Computing research
  • Run-time reconfiguration research
  • Exposure to various configurable logic hardware and software tools
• Software Developer at DynCorp, Arlington, VA, Summers of 1993, 1994, and 1995, Winter 1995:
  • Developed and maintained integrated paperless office tools
  • Objective-C Object Oriented programming under NEXTSTEP
  • Multi-user distributed applications
  • Object exchange between Java and Objective-C over TCP/IP
  • GUI design

Related Coursework

• Networks I & II
• Electronics I & II
• Computer Architecture
• Digital Design I (Sync/Async Circuit Design)
• Digital Design II (VHDL programming)
• Microprocessor System Design (study of Motorola HC11 microcontroller)
• Computer and Network Architecture
• Hardware Description Languages (VHDL)
• VLSI Circuit Design I & II
• Network Application Design
• Reconfigurable Computing
• Parallel and Distributed Computing
• Testing and Fault-Tolerant Computing
• Real-time Systems
• Simulation and Modelling
• Wearable and Ubiquitous Computing
• Network Quality of Service

Computer Skills

• Operating Environments
  UNIX (Mach, Linux, IRIX, ULTRIX, AIX, *BSD), Debian, NeXTStep, X Window System, Windows, Macintosh (early versions and OS X)
• Computer Hardware
  x86 PC's, iPAQ handheld, various UNIX machines (NeXT, Personal DECstation, SUN SPARCstation, Control Data Cyber 910, ETA-10p Super Computer, IBM RS/6000)
• Reconfigurable Hardware
  Xilinx FPGAs, various prototyping boards, context-switching reconfigurable logic research FPGAs and prototype board
• Microcontrollers
  Hardware and software design for Microchip PIC and Atmel AVR
• Computer Aided Design
  Xilinx EDA toolchain, ViewLogic WorkView, AutoCAD, 3D Studio, EAGLE Layout Editor
• Languages:
  VHDL, Objective-C, C, C++, Python, Java, various flavors of Assembly, shell scripting

Publications

Masters Thesis

• David I. Lehn, "Framework for a Context-Switching Run-Time Reconfigurable System," 2002.

Journal Articles

• Kiran Puttegowda, David I. Lehn, Jae H. Park, Peter Athanas, Mark Jones, "Context Switching in a Run-Time Reconfigurable System" The Journal of Supercomputing, Volume 26 Issue 3, November 2003.

Conference Papers

• Rhett Hudson, David Lehn, Peter Athanas, "A Run-Time Reconfigurable Engine for Image Interpolation," Presented at the FCCM Conference in Napa, California, 1998.
• Rhett D. Hudson, David Lehn, Jason Hess, James Atwell, David Moye, Ken Shiring, Peter M. Athanas, "Spatio-Temporal Partitioning of Computational Structures onto Configurable Computing Machines," SPIE Proceedings, Vol. 3526, p. 62-71, Configurable Computing: Technology and Applications, John Schewel; Ed., October 1998.
• David I. Lehn, Rhett D. Hudson, Peter M. Athanas, "Framework for architecture-independent run-time reconfigurable applications," SPIE Proceedings, Vol. 4212, p. 162-172, Reconfigurable Technology: FPGAs for Computing and Applications II, John Schewel, Peter M. Athanas, Chris H. Dick, John T. McHenry; Ed., November 2000.
• David I. Lehn, Kiran Puttegowda, Jae H. Park, Peter M. Athanas, Mark T. Jones, "Evaluation of rapid context switching on a CSRC device," to appear in Proceedings of the International Conference on Engineering of Reconfigurable Systems and Algorithms, 2002.
• M. Jones, T. Martin, Z. Nakad, R. Shenoy, T. Sheikh, D. Lehn, and J. Edmison, "Analyzing the Use of E-textiles to Improve Application Performance," IEEE Vehicular Technology Conference 2003, Symposium on Wireless Ad hoc, Sensor, and Wearable Networks (VTC 2003) (extended abstract), October 2003.
• David I. Lehn, Craig W. Neely, Kevin Schoonover, Thomas L. Martin, and Mark T. Jones, "e-TAGs: e-Textile Attached Gadgets," Proceedings of the Communication Networks and Distributed Systems Modeling and Simulation Conference, January 2004.

Accomplishments and Activities

• Earned Eagle Scout from the Boy Scouts of America in December 1992
• Member of IEEE since 1995
• Active in OpenSource multimedia projects such as LiViD (http://www.linuxvideo.org/) and GStreamer (http://gstreamer.freedesktop.org/)
• Initial author of various GStreamer elements required for DVD playback
• Initial author of GStreamer Python bindings
• Contributor to various OpenSource audio/video projects: a52dec (http://liba52.sourceforge.net/) and mpeg2dec (http://libmpeg2.sourceforge.net/)
• Debian Developer since 2003
• Initial maintainer of mpeg2dec and GStreamer
• Occasional sessions as a DJ on Virginia Tech's radio station WUVT
• Bicycling enthusiast: riding and racing mountain, cyclocross, and road
  • New River Valley Bicycle Association (NRVBA) Ride Coordinator and board member, 2006-2007
  • Former member Virginia Tech Cycling Club, 2004-2005

References

Available on request