EMPLOYMENT SUMMARY

• Cecil H. Green Chair of Engineering and Professor, Southern Methodist University, Dept of Electrical and Computer Engineering.
• Executive Director, Darwin Deason Institute for Cyber Security
• Program Director, M.S. in Data Engineering program, Southern Methodist University
• Engineering Consultant, Mitchell A. Thornton, P.E., specializing in intellectual property expert analysis and engineering design projects.
• Associate Professor (1999-2002), Mississippi State University, Dept of Electrical and Computer Engineering
• Associate Professor (1999), Assistant Professor (1995-1999), University of Arkansas, Dept of Computer Science and Computer Engineering, Adjunct Assistant Professor (appointed July 1, 1996), Dept of Electrical Engineering, Adjunct Assistant Professor (appointed August 1997) Dept of Computer Science, Fayetteville, Arkansas.
• Teaching/Research Assistant (1991-1995), Southern Methodist University, Dept of Computer Science and Engineering, Dallas, Texas
• Design Engineer (1992-1993), Cyrix Inc., Richardson, Texas
• Sr. Electronics Systems Engineer, E-Systems Inc. (1986-1991), (acquired by Raytheon in 1995 and is now L3Harris ISR Systems) Greenville, Texas
• Research Technician (Summers: 1982, 83, 84), Amoco Research Center, Tulsa, Oklahoma (became BP Amoco and relocated to Houston, Texas)

EDUCATION

• Ph.D., computer engineering, Southern Methodist University, August 1995
• M.S., computer science, Southern Methodist University, May 1993
• M.S., electrical engineering, University of Texas at Arlington, May 1990
• B.S., electrical engineering, Oklahoma State University, December 1985

LICENSURE AND CERTIFICATIONS

• Licensed Professional Engineer in Mississippi (14477), Arkansas (9255), and Texas (70202)
• Registered Engineering Firm in Texas (F-6940)
• Electronic Technician diploma, Tulsa-area Vocational Technical School (trade school), technical electronics program, May 1981
• Federal Communications Commission (FCC) Licenses:
• Commercial General Radiotelephone Operator License (GROL) with Ship Radar Endorsement, call sign PG00028247
• Amateur Radio Operator License, Extra Class, call sign KE5CDJ
• General Mobile Radio License (GMRS), call sign WQBX350

PROFESSIONAL ACTIVITIES

• Book series editor of the Digital Circuits and Systems series for Morgan-Claypool Publishers (since October 2005)
• Editorial Board Member, International Journal of Highly Reliable Electronic Systems, (2007-2010)
• Chair (2010-2011), Member in "at-large" position (2007-2009) of the IEEE Computer Society Technical Committee on Multiple-Valued Logic (TCMVL)
• Member, (2010-2011), Technical Activities Committee, IEEE Computer Society
• Chair (2009-2011), Vice Chair (2002-2008), Member (1998-2002 and 2012 to present), EPE subcommitte working group member for the National Council of Examiners for Engineering and Surveying (Problem writing/reviewing for the national electrical PE test).
• Vice Chair (2011-2013), Chair (2009-2011), Member (2003-2008) of IEEE-USA Committee on Licensure and Registration. Responsible for advising IEEE-USA on issues regarding licensure and registration of professional engineers.
• Member (2010-2014), IEEE Computer Society Educational Activities Board Computer Engineering Curriculum Task Force, responsible for updating the IEEE recommended curriculum for all computer engineering undergraduate programs used by US universities and ABET known as CE2016
• IEEE Appointed Liaison (2010 to 2014), AAES/NCEES (American Association of Engineering Societies/National Council of Examiners for Engineering and Surveying) Professional Licensure Group, responisble for representing IEEE interests in joint AAES/NCEES issues
• Upsilon Pi Epsilon (founding) Chapter Advisor of the Kappa Chapter at Southern Methodist University, 2005 to 2009
• Paper/Proposal Reviewing: NSF Proposals, Various IEEE, ACM and IEE/IET Journals and Sponsored Conference Proceedings
• Membership: IEEE (senior member), IEEE Computer Society, IEEE Circuit & Systems Society, ACM (senior member), ACM-SIGDA, AAAS, AOC
• Selected Conference and Workshop Leadership Positions:
• General Chair 2022 IEEE International Symposium on Multiple-Valued Logic, virtual
• General Chair 2019 Workshop on Reed-Muller Circuit Design, Fredericton, New Brunswick, Canada
• General Chair 2008 IEEE International Symposium on Multiple-Valued Logic, Dallas, Texas
• General Co-Chair, 2007 IEEE Dallas Workshop on Circuits and Systems, Dallas, Texas
• General Chair 2001 Workshop on Reed-Muller Circuit Design, Starkville, Mississippi
• Program Chair 2015 Reed-Muller Workshop, Waterloo, Ontario, Canada
• Publicity Chair 2023 Reed-Muller Workshop, Matsue, Shimane Prefecture, Japan
• Program Committee Member 2018, 2014, 2013 IEEE International Systems Conference
• Program Committee Member 2013 IEEE Symposium on Quantum Computing and Computational Intelligence
• Program Committee Member 2012 Special Session on Quantum Computing and Evolutionary Computation, IEEE Congress on Evolutionary Computation
• Program Committee Member (2021, 2020, 2019, 2018, 2017, 2016, 2014, 2013, 2012, 2011, 2010, 2006) IEEE International Symposium on Multiple Valued Logic
• Steering Committee Member 2015 IEEE International Symposium on Multiple Valued Logic
• Program Committee Member (2008, 2007 and 2006) IEEE Annual Symposium on VLSI
• Program Committee Member 2006 IEEE Dallas Workshop on Circuits and Systems
• Program Committee Member 2006 Workshop on Future Computing Technologies
• Member, 2006 WSEAS Working Group on Computers
• Program Committee Member 2002 IEEE Midwest Symposium Circuits & Systems
• Program Committee Member 1999, 2003, 2005, 2009, 2011, 2013, 2017, 2021, 2023, Reed-Muller Workshop
• Publicity Chair 1999 Int. Workshop Parallel and Dist. RT Systems, IPPS-SPDP-WPDRTS'99
• Program Committee Member 1998 IPPS-SPDP-WPDRTS'98
• Invited Speaker, Session Chair, Paper Reviewer for numerous symposia, conferences, and workshops
• Paper Reviewer for numerous academic and research journals
• University Service:
• (SMU)  Committee Member, Lyle School Dean Search Committee, (2022-2023)
• (SMU)  Affiliate Faculty Member, Data Science Institute, (2021-present)
• (SMU)  Chair, MS in Data Engineering Governing Committee (2020-present)
• (SMU)  Faculty Fellow, Center for Research Computing, (2019-present)
• (SMU)  Member, ECE Dept. Graduate Curriculum Committee, (2019-present)
• (SMU)  Member, ECE Dept. Subcomm. on circuits, Comm. PhD Areas (2019-2020)
• (SMU)  Ex-officio Member, all CSE Departmental Committees, (2017)
• (SMU)  Member, CIO Search Committee, (2017)
• (SMU)  Member, EE Dept., Circuits PhD Qualifying Exam Committee, (2013-2018)
• (SMU)  Chair, Lyle School Promotion and Tenure Committee, (2015-2016)
• (SMU)  Member, CSE Departmental Faculty Search Committee (2015-2016)
• (SMU)  Member, OE2C IT Initiative Academic Sub-Team (2015)
• (SMU)  Member, SMU Center for Scientific Computation Board (2013-present)
• (SMU)  Chair, Lyle School Academic Computing Committee (2013)
• (SMU)  Member, Intellectual Property Committee (2013-2014)
• (SMU)  Member, President's Scholar Reading Team (2013)
• (SMU)  Member, Hunt Scholar Interviewing Team (2013)
• (SMU)  Participant, Provost's Emerging Leaders Seminar Series (2013)
• (SMU)  Senator (Lyle Engineering position) (2009-2012)
• (SMU)  Senator (at-large position) (2004-2007)
• (SMU)  Senate Academic Policy Committee (2009-2012, Chair 2011-2012)
• (SMU)  Provost's Information Technology Advisory Council (2009-2012, Chair 2011-2012)
• (SMU)  Provost's Quality Enhancement Plan Selection Committee (2009)
• (SMU)  Provost's Promotion and Tenure Committee (2008-2011)
• (SMU)  Member Lyle School of Engineering Promotion and Tenure Committee (2011-2012)
• (SMU)  Member CSE Department Faculty Search Committee (2011-2012)
• (SMU)  Chair CSE Department Faculty Search Committee (2009-2010 & 2010-2011)
• (SMU)  Coordinator, ABET Computer Engineering program re-accreditation (2006-2009)
• (SMU)  Member University Intellectual Property and Patents Committee (2004-2008)
• (SMU)  Member All-University Finance Committee (2004-2007)
• (SMU)  Chair School of Engineering Academic Affairs Committee (2007-2008)
• (SMU)  Member School of Engineering Academic Affairs Committee (2003-2007)
• (SMU)  Chair CSE Department Undergraduate Program Committee (2005-2007)
• (SMU)  Member CSE Department Undergraduate Program Committee (2007-2010)
• (SMU)  Chair CSE Department Faculty Affairs Committee (2004-2005)
• (SMU)  Chair CSE Department Faculty Search Committee (2004-2005)
• (SMU)  Member CSE Department Graduate Program Committee (2002-2005)
• (SMU)  Founding Faculty Advisor CSE Upsilon Pi Epsilon honor society (2003-2009)
• External Tenure-case Reviewer for Several Universities
• External Ph.D. and M.S. Committee Member for Several Universities
• ABET: Participation in numerous accreditation visits (several universities), Self-Study report author, mock ABET visitor
• Active involvement in Senior Design Classes as project mentor
• Numerous other committee assignments in past

• Design and Implementation of OBDD Variable Ordering/Reordering Methods, National Science Foundation, September 1996, CCR-9633085, transferred to CCR-0096055 (PI).
• Design and Simulation of a Processing Element Node for a Decoupled Multi-Threaded Computer, Arkansas Science and Technology Authority, October 1996, 97-B-12, (PI).
• Infrastructure and Faculty Fellowship Request for Configurable Computing, Arkansas Space Grant Consortium/NASA, October 1997, (PI).
• High Speed Parallel Fiber Optic Data Bus Components for NMP, Space Photonics, Inc., July 1998, (Co-PI).
• Implementation of ASM using an FPGA Based Co-processor, Acxiom Corporation with 100% match from the Arkansas Science and Technology Authority, 99-A-01, September 1998, (PI).
• U.S.-Germany Cooperative Research: Spectral Techniques in VLSI CAD Using AND/OR Graphs, National Science Foundation, March 1999, INT-9815371, transferred to INT-0096008 (PI).
• Development of Integrated Passive Components, Arkansas Science and Technology Authority, 99-A-06, April 1, 1999, (Co-PI).
• Query Optimization Using Automated Logic Synthesis Techniques, Mississippi State University Research Initiation Program, January 1, 2000-December 31, 2000, (PI).
• Statistical Equivalence Checking Using Partial Haar Spectral Diagrams, National Science Foundation, June 2000, CCR-0000891, transferred to CCR-0243358 (PI).
• Self-timed FPGA Systems, National Science Foundation, June 2001, CCR-0098272, (Co-PI).
• Evolutionary Algorithms for Symbolic FSM Equivalence Checking, National Science Foundation, June 2001, CCR-0097246, transferred to CCR-0243365 (PI)
• An Integrated Approach for Circuit Design Validation, Texas State Advanced Technology Program,  January 1, 2003 - December 31, 2005, 003613-0029-2003 (Co-PI).
• Laboratory Educational Equipment Request, SMU President's Partner Grant Program, May 7, 2004, (PI).
• Product Development Process Improvement Research, Lockheed-Martin, Missiles and Fire-Control Division, Grand Prairie, Texas, 10/01/05, (Co-PI).
• Re-engineering Not-for-profit Technical Organizations for Transition to Market-Driven Enterprises: Strategies, Models, and Application to the Technical Information Center, Signal Technologies Inc. (subcontractor to U.S. Army, Information Systems Engineering Command), 07/01/05, (Co-PI).
• Large Systems Design and the Axiomatic Process, Office of Naval Research (ONR), April 1, 2009 - December 31, 2009, N000140910784 (PI).
• Information Assurance Scholarship Program, Department of Defense, (DoD), August 1, 2009 - July 31, 2010, H98230-09-1-0396, (Co-PI).
• Design, Implementation, and Evaluation of Efficient In-Line Memory Encryption Algorithms, Lockheed-Martin Aeronautics, Fort Worth, Texas, August 2010 - December 2010, (Co-PI).
• Information Assurance Scholarship Program, Department of Defense, August 2010 - July 2011, (Co-PI).
• Secure Smart Meter Firmware Research and Development, PayGo Electric, Alpharetta, Georgia, September 2010 - May 2011, (PI).
• Smart Meter & DPA Resistant Encryption Research, Revere Security, Dallas, Texas, October 2010-August 2011, (PI).
• Investigative Methods of Establishing Hardware Trust Centers with a Focus on Detection of Trojans at the Register Transfer Level (RTL) During the Device Design Stage, Lockheed-Martin Aeronautics, Fort Worth, Texas, June 30, 2011 - May 31, 2012, (Co-PI).
• A Register Transfer Level Toolset for Low Power Asynchronous Design Using Null Convention Logic, National Science Foundation, July 2011-June 2014, CCF-1116405, (PI).
• Information Assurance Scholarship Program & Support for IA Research and Education at SMU, Department of Defense, August 2011 - July 2012, (Co-PI).
• Verification of Security Properties Using a Model Checking Framework, Center for Education and Research in Information and Infrastructure Security at the University of Texas at San Antonio, (subcontractor to Raytheon Intelligence, Information and Services), December 2011 - May 2011, (PI).
• Radiation Hardened Standard Cell Library Design and Benchmarking Research, Silicon Space Technology, Austin, Texas, January 2012 - June 2012, (PI)
• Information Assurance Scholarship Program, Department of Defense, September 2013 - September 2014, (Co-PI).
• Formal Cyber Mission Planning and Analysis: Security Properties, Raytheon Intelligence, Information and Services, December 2013 - April 2015, (Co-PI).
• Hardware Testbed and Data Generation for Locating Arbitrary Wireless Devices, SMU Lyle School of Engineering, Interdisciplinary Seed Funding, April 2014 - December 2014, (Co-PI).
• Formal Analysis of an Innovative Approach for Hardware Security Modules, Krimmeni Technologies, June 1, 2014 - May 31, 2015, (PI).
• DoD Information Assurance - Information Security Grant Program, NSA/DoD, August 1, 2014 - July 31, 2015, (Co-PI).
• Multi-Valued Logic Extensions to Formal Methods for Cyber Planning, Raytheon Intelligence, Information and Services, October 1, 2014 - June 30, 2015, (Co-PI).
• A Technical and Policy Evaluation of Mechanisms that Monitor Access to Company Documents, unnamed sponsor from financial services sector, January 1, 2015 - December 31, 2015, (Co-PI).
• Empirical Analysis for Internet-of-Things Security, Rubicon Labs, May 16, 2015 - May 15, 2016, (PI).
• DoD Information Assurance - Information Security Grant Program, NSA, August 1, 2015 - July 31, 2016, (Co-PI).
• Multi-Valued Formal Models for Dynamic Cyber Threat Analysis, Raytheon Intelligence, Information and Services, October 1, 2015 - September 30, 2016, (Co-PI).
• Research on Retrospective Identification of Risk Factors for Insider Threats, unnamed sponsor from health services sector, January 1, 2016 - December 31, 2016, (Co-PI).
• Trusted and Reliable High Performance Computing Architecture and Design, Raytheon Intelligence, Information and Services, January 1, 2016 - December 31, 2017, (Co-PI).
• Cybersecurity CRADA, Army Research Laboratories (ARL), January 9, 2017, (PI).
• Mission Value Calculus Engine in Support of Decision Making and Asset Allocation, Raytheon Intelligence, Information and Services, August 1, 2017 - December 31, 2017, (Co-PI).
• IoT Distributed Sensors Research, Raytheon Intelligence, Information and Services, August 1, 2017 - December 31, 2017, (PI).
• Automated Generation of State Models for Industrial Control Systems, Raytheon Intelligence, Information and Services, December 11, 2017 - October 31, 2018, (PI).
• Unconventional Biometrics with Mobile Devices and Machine Learning, Raytheon Intelligence, Information and Services, April 1, 2018 - January 31, 2019, (Co-PI).
• Network Discovery Research, Raytheon Intelligence, Information and Services, May 15, 2018 - May 14, 2019, (PI).
• IoT Device Sensor Arrays, Raytheon Intelligence, Information and Services, May 18, 2018 - March 17, 2019, (PI).
• DoD IASP Information Assurance Scholarship Program, DoD IASP, August 1, 2018 - July 31, 2019, (Co-PI).
• Research and Investigation on Contractor Cyber Risk, ISN Software, September 1, 2018 - August 31, 2019, (Co-PI)
• Quantum Photonic Integrated Circuit Research, Bra-Ket Science, Inc., July 1, 2018 - January 31, 2019, (Co-PI).
• Investigation of Unconventional Biometrics with Mobile Devices, Raytheon Intelligence, Information and Services, December 1, 2018 - June 30, 2019, (Co-PI).
• Third Party Data Supply Chain Integrity Enhancement, Raytheon Intelligence, Information and Services, December 15, 2018 - June 15, 2019, (PI).
• Cybersecurity Research Projects, Raytheon Intelligence, Information and Services, August 15, 2019 - March 1, 2020, (PI).
• Data Correlation Investigation to Identify Side Channel Indicators, Raytheon Intelligence, Information and Services, September 15, 2019 - March 1, 2020, (PI).
• Quantum Photonic Integrated Circuit Research (follow-on), Bra-Ket Science, Inc., July 1, 2018 - December 31, 2020, (Co-PI).
• Cyber Anomaly Detection from Serial Data Bus with Context Vectors, Raytheon Intelligence and Space, May 1, 2020 - October 31, 2020, (Co-PI).
• TAK as a Service, Raytheon Intelligence and Space, May 1, 2020 - September 1, 2020, (PI).
• Data Science and Engineering Research and Development, CRADA, NAWCAD, March 16, 2020 - March 15, 2024, (PI).
• Research and Development of AI/ML Methods to Support Naval Logistics, Office of Naval Research, April 1, 2020 - October, 31, 2020, (PI).
• CAN Bus Packet Authentication Research, Toyota Motors North America, May 1, 2020 - March 31, 2022, (PI).
• Quantum Photonic Integrated Circuit Research to Support Cybersecurity, Bra-Ket Science, Inc., August 1, 2020 - December 31, 2021, (Co-PI).
• Quantum Informatics Research to Support Secure Communications and Computation, Bra-Ket Science, Inc., August 1, 2020 - December 31, 2021, (PI).
• Quantum Hybrid PUF, Anametric, Inc., November 1, 2020 - April 30, 2021, (Co-PI).
• Refinement and Development Activities for Innovative Security Solutions, Raytheon Technologies, Intelligence and Space, January 1, 2021 - December 31, 2021, (PI).
• Raytheon Technologies Applications of Artificial Intelligence to Defense Systems (RAAIDS), Raytheon Technologies, Intelligence and Space, March 1, 2021 - May 31, 2023, (Co-PI).
• User-based Authentication Methods with Mobile Device Latent Vectors, Raytheon Technologies, Intelligence and Space, June 1, 2021 - December 31, 2021, (Co-PI).
• Raytheon Technologies Applications of Artificial Intelligence to Defense Systems to Human-Machine Teamng (RAAIDS-HMT), Raytheon Technologies, Intelligence and Space, September 1, 2021 - December 31, 2021, (Co-PI).
• ML/AI Research and Development to Support Naval Logistics (phase 3), Office of Naval Research, October 6, 2021 - October 5, 2022, (PI).
• SS22 Exercise Participation, CRADA, NWSC, Crane Division, March 3, 2022 - March 2, 2023, (PI).
• Raytheon Technologies Applications of Artificial Intelligence to Defense Systems to Human-Machine Teamng (RAAIDS-HMT) Phase II,
  Raytheon Technologies, Intelligence and Space, May 1, 2022 - December 31, 2022, (Co-PI).
• Remote Employee Insider Threat Detection, Goldman Sachs, Inc., June 1, 2022 - May 31, 2023 (PI).
• User-based Authentication Methods with Mobile Device Latent Vectors (Phase 2), Raytheon Technologies, Intelligence and Space, June 1, 2022 - December 31, 2022, (Co-PI).
• Quantum PICs with Integrated Electronic Components: Anametric TACFI Support, Anametric, Inc., July 1, 2022 - June 30, 2024, (Co-PI).
• Security Enhanced CAN Bus Transceiver Research, Toyota Motors North America, July 1, 2022 - June 30, 2024, (PI).
• Investigation of Advanced QRNG QPIC Structures, Anametric, Inc., September 1, 2022 - January 31, 2024, (PI).
• Commercialization Investigation of SMU Darwin Deason Institute for Cyber Security Research Results, SMU Lyle Hart Institute for Technology Innovation and Engineering (HITIE), October 1, 2022 - September 30, 2023, (PI).
• Photonic Integrated Circuit (PIC) Research and Development Activities (CRADA), AFRL, Information Directorate, March 27, 2023 - March 26, 2027, (Co-PI).
• Quantum Hybrid PUF Phase 2 Research, Anametric, Inc., February 1, 2023 - October 31, 2024, (PI).
• Nautilis Detector Development, Anametric, Inc./AFRL-AFWERX (STTR), May 5, 2023 - August 5, 2023, (Co-PI).
• Practical PQC Key Exchange Feasibility Research, Anametric, Inc./AFRL-AFWERX (STTR), May 5, 2023 - August 3, 2023, (PI).

AWARDS

• Long Term Contributor Award, IEEE Computer Society Technical Community for Multiple-Valued Logic (TCMVL), May 20, 2022
• IEEE TCMVL, Hall of Fame for research contributions in Multiple-Valued Logic
• Rotunda Outstanding Professor Award (ROPA), Southern Methodist University, May 23, 2022
• Appointed Cecil H. Green Chair of Engineering, Lyle School of Engineering, Southern Methodist University, February 2015
• IEEE Computer Society, Certificate of Appreciation for Steering Committee Membership, IEEE/ACM CE2017 Computer Engineering Undergraduate Curriculum Guideline Revision Working Group, March 2012
• IEEE Computer Society, Certificate of Appreciation for Chairing the Technical Committee on Multiple-Valued Logic, June 2010
• IEEE-USA Citation of Honor, 2009
• Inventor Recognition Award, Semiconductor Research Corporation, April 2009
• Appointed Gerald J. Ford Research Fellow, Southern Methodist University, May 12, 2005
• Appointed J. Lindsey Embrey Chair Associate Professor of Computer Science and Engineering (2004 through 2005)
• Best paper award in the 1994 IEEE International Verilog HDL Conference , (and others)
• Outstanding Graduate Faculty Award, Department of Computer Science and Engineering, awarded by the Graduate Student Council of Southern Methodist University, (2 times: April 21, 2005 and April 22, 2008)
• 2006 Outstanding Professor of the Year Award, Department of Computer Science and Engineering, Southern Methodist University, awarded by the Student Engineering Joint Council (SEJC is composed of undergraduate students)
• HOPE (Honoring Our Professors Excellence) honoree (3 times: Spring 2006, Fall 2006, and Fall 2009), awarded by students on behalf of the SMU student residence organization
• Outstanding Researcher in the Department of Computer Systems Engineering at the University of Arkansas, (1998-1999)
• Texas Instruments Outstanding Researcher in the Department of Computer Systems Engineering at the University of Arkansas, (2 times: 1996-1997 and 1997-1998)
• 1994 Frederick R. Terman award for outstanding Research Assistant in the Department of Computer Science and Engineering at Southern Methodist University
• Membership in Eta Kappa Nu, Sigma Xi, Upsilon Pi Epsilon and Phi Kappa Phi honor societies

• Cecil H. Green Chair of Engineering and Professor (2019 to present), Southern Methodist University, Dept of Electrical and Computer Engineering, Dallas, Texas. Undergraduate/graduate level teaching, research and service.
• Executive Director (2020 to present), Director (2019), Darwin Deason Institute for Cyber Security, Southern Methodist University, Dallas, Texas,
• (founding) Program Director (2019 to present), M.S. in Data Engineering Program, Southern Methodist University, Dallas, Texas,
• Cecil H. Green Chair of Engineering and Professor (2015 to 2018), Professor (2006 to 2015), Associate Professor (2002 to 2006), Southern Methodist University, Dept of Computer Science and Engineering, and, by courtesy, Dept. of Electrical Engineering, Dallas, Texas. Undergraduate/graduate level teaching, research and service.
• Acting Chairperson (2017), Department of Computer Science and Engineering, Southern Methodist University
• Research Director (2017 to 2018), Darwin Deason Institute for Cyber Security, Southern Methodist University
• Technical Director (2014 to 2016), Darwin Deason Institute for Cyber Security, Southern Methodist University
• Associate Professor (1999-2002), Mississippi State University, Dept of Electrical and Computer Engineering, Starkville, Mississippi. Undergraduate/graduate level teaching, research and service.
• Associate Professor (1999), Assistant Professor (1995-1999), University of Arkansas, Dept of Computer Systems Engineering, Adjunct Assistant Professor (appointed July 1, 1996), Dept of Electrical Engineering, Adjunct Assistant Professor (appointed August 1997) Dept of Computer Science, Fayettville, Arkansas. Undergraduate/graduate level teaching, research and service. The Department of Computer Systems Engineering and Computer Science have since been merged as the Department of Computer Science and Computer Engineering.
• Summer of 1992: Engineer at Cyrix, Inc. Aided in the RTL level design of the bus controller for the M1 microprocessor, a Pentium class chip. Generated operating systems level test code in X86 assembler to perform tasks such as page fault handling, overflow exception handling, testing of cache and branch prediction circuitry.
• Senior Electronic Systems Engineer (17 April 1989 to 9 August 1991) in the Special Systems group at E-Systems. Responsible for calibrating, maintaining and upgrading airborne direction finding systems. Performed Systems level design and integration of RF airborne equipment. These duties also included interacting with subcontractors and customers.
• Engineer/Analyst (23 July 1986 to 17 April 1989) in the Analytical Techniques group at E-Systems. Responsibilities included modeling of communication systems and emitter location techniques, signal analysis, analysis of the capabilities of various error correction and detection codes, analysis, design and flight test of direction finding systems, radome and antenna system analysis and interfacing test equipment to minicomputers.
• Research Technician (Summers of 1984, 1985) at Amoco Research Center in the Modeling and Inversion group. Duties included using existing geophysical modeling and inversion computer programs and developing new programs under the supervision of a Geophysicist.
• Research Technician (Summers of 1982, 1983, 1984) at Amoco Research Center in the Seismometer Recorder Group. Duties included maintenance and repair of prototype circuits and the development of a Z-80 based automated power supply testing system.