Barr Group's electronics and software expert witnesses are highly skilled communicators with strong industry and academic credentials and a broad range of technical skills to assist as litigation consultants. Our experts are located in all parts of the United States and Canada and serve legal clients all over the world.
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Barr Group's Expert Witness Team
Each member of our expert team is highly qualified in one or more technology areas from wireless and cellular network protocols, to cryptography and computer security or medical electronics, to smartphones and mobile apps, among others.
Please contact us for help selecting among these and our other expert witnesses. Each summary below contains a link to profile pages with more information about the level education such as PhD, years of industry experience, areas of specialization, and testifying experience.
What follows is a representative subset of our testifying software experts. It is organized by industry of expertise, though many experts have experience in more than one of these. For a larger selection of experts in a given area, click on that type of expertise to the right.
Artificial Intelligence Expert Witness
Professor of computer science with two decades of experience at the forefront of the analysis and processing of electronic documents and speech / voice.
Former professor with twenty five years of experience in machine learning for speech recognition and computer vision as well as in data centers and blockchain.
Artificial intelligence expert specializing in chatbot design and development, GPT and LangChain, speech recognition, and natural language processing (NLP).
Professor and robotics lab director specialized on civilian and military navigation technologies for GPS-deprived scenarios including indoor and underground.
Professor of electrical and computer engineering and expert in architectural paradigms and technologies for high-performance computing and distributed computing.
Professor and consultant with thirty years of experience in computer vision and image and video processing as well as color engineering and control systems for print engines.
Automotive Systems Expert Witness
Consulting electrical engineer with decades of experience in advanced technology development and project management in automotive and spacecraft electronics.
PhD chemist and explosives expert, including airbag propellants, with thirty-five years of industrial R&D experience as a designer of energetic solid materials.
Engineering consultant with forty years of experience in the automotive electronic subsystems sector and transportation systems including hybrid vehicles.
Independent consultant and former professor of technical product management with decades of industry experience in automotive sensors, electronics, and systems.
Professor with decades of experience in technologies from communication protocols to smart transportation systems for connected and autonomous vehicles.
Automotive engineer with twenty five years of experience in vehicle design as well as in forensic consulting for attorneys regarding product liability litigations.
A leader in the field of vehicle-to-everything (V2X) short range communication with decades of focus on ADAS, sensor technologies, and location-based services.
Electrical engineer with over thirty years of experience in the development and deployment of automotive electronic systems, including safety systems.
Mechanical engineer with decades of experience in vehicle performance specification, testing, and dynamics, including ride / handling / suspension / steering / tires.
Cloud Computing Expert Witness
Professor and researcher specializing in computer systems architecture, performance measurement, parallel processing, and high-performance computing.
Technical leader in the computer, software, and hard disk industries with expertise in computer architecture, cloud storage, filesystems, and bus standards.
Former professor of computer science and advisor to technology startups with specialized expertise in enterprise database architectures and electronic voting machines.
Professor of computer science with decades of experience in cloud storage and filesystems, computer architecture, data networks, and distributed computing.
Computer science professor with industry experience in system administration as well as data centers and cloud storage and a range of other technologies.
Subject matter expert in HDD and SDD storage devices with two decades of industry experience in storage system design as well as software development.
Professor of computer science and applied mathematics with expertise in cloud computing architectures for data-intensive and artificial intelligence applications.
MIT-educated computer scientist experienced in architecting, designing, developing, and optimizing enterprise solutions leveraging cloud computing.
Former professor of computer science and consultant with specialized knowledge of the internal structure of the Linux operating system.
A licensed professional engineer in the U.S. and Canada and an engineer with over twenty years of experience in the field of data center design and management.
Computer scientist with over forty years of industry experience in design of computer systems, communications systems, electronics, and software.
Computer Security Expert Witness
Security consultant and professor who has developed novel and patented security technologies including for biometric and physical security.
Former professor of computer engineering with expertise in biometric systems and technologies and a leading authority in fingerprint identification technologies.
Prolific author of books and papers on cybersecurity, cyberwarfare, and digital forensics, as well as cryptography and other forms of applied mathematics.
Computer security innovator and former professor with twenty five years of experience and unique expertise in detecting network worms and drive-by download attacks.
Professor of computer science and consultant to government agencies and industry with decades of expertise in computer security and digital privacy.
White hat hacker specializing in penetration testing and reverse engineering and expert in the design of secure networks and IoT devices.
Electrical engineer with extensive electronics and software product development experience across a broad range of industries and platform architectures.
Former computer science professor who taught courses in operating system and compiler design and also designed datacom equipment for decades.
Consumer Electronics Expert Witness
Computer software and electronics consultant with three decades of extensive experience with storage technologies and filesystems, including Flash memory.
Technology consultant with decades of experience in development and implementation of digital audio and video such as CD, DVD, Blu-ray, and streaming multimedia.
Professor of electrical and computer engineering with years of industry experience in the design of microprocessors for infotainment and multimedia systems.
MIT-educated electrical engineer with decades of industry experience designing software and electronics including for computer graphics, video games, and virtual worlds.
Prolific author who has trained tens of thousands of engineers in systems testing and has over thirty years of experience in software and electronics testing.
Computer science professor and consultant with thirty years of experience in the software industry and hands-on video game design experience.
Pioneering cable television and settop design engineer with nearly one hundred patents in broadband and wireless data communications and digital video.
Expert in compliance testing for regulated casino gaming devices with significant experience with Indian Gaming Regulatory Act and Johnson Act regulations.
Embedded computing pioneer with thirty years of experience designing electronics and firmware, notably for DVR-capable satellite TV receivers.
Computer engineering consultant with four decades of experience in the casino gaming industry, including development of gaming and related technologies.
Engineering consultant with twenty-five years of experience in systems for gaming and gambling including the design and analysis of casino games.
Computer scientist who has spent twenty five years consulting at the leading edge of wearable augmented reality systems.
Consultant and trainer with over thirty years of hands-on professional experience in the design and testing of software, firmware, and electronics.
Electronic Circuits Expert Witness
Electrical engineer with more than thirty years of hands-on experience designing real-time systems and embedded software for commercial and military applications.
Storage and memory expert with more than thirty years of experience in all phases of design and implementation of semiconductor devices including memory devices.
Consultant and expert in all aspects of VLSI and SoC design methodology, from microarchitecture to algorithm development to RTL and physical design.
Electrical engineering consultant specializing in the design of microcontroller-based systems, especially embedded control systems utilizing wireless communications.
Consulting former professor with expertise in mixed-signal electronics design, including for physical-layer communications, memories, and smart cards.
Consulting electrical engineer with decades of experience in design of integrated circuits and software systems for electronic design automation (EDA).
Consulting computer engineering expert with significant expertise and experience in both software and digital electronics, including design of ASICs, FPGA and SoCs.
Consultant with over two decades of experience in semiconductor design and testing, including foundry process evaluation and selection.
Consulting engineer with decades of experience in the design and development of electronics with high-speed analog, RF, and microwave circuits.
Enterprise Software Expert Witness
MIT-educated technology entrepreneur with hands-on engineering experience and wide expertise including in big data and chat and instant messaging protocols.
Subject matter expert in software quality, data analytics, wireless communications and networking, web technologies, user interfaces, and e-commerce.
Distinguished professor of computer science with expertise in electronic voting, artificial intelligence, digital libraries, and electronic payment and e-commerce systems.
Consultant with significant experience with software licensing agreements (SLAs) and other contracts in technology markets, such as financial and telecom.
Former engineering VP with experience leading development of enterprise software, including electronic payment and data management systems.
Computer scientist with industry experience managing development of a range of computer systems from e-commerce and SaaS websites to set-top boxes.
Computer scientist with twenty five years of experience in enterprise-level software, knowledge management system, and mobile app development.
Former director of software development and Certified ScrumMaster with more than twenty years of experience in the financial technology and healthcare industries.
Early pioneer in the areas of moving target cyberdefenses, mobile code, and dynamic compilation and subject matter expert in virtual machines and JIT compilers.
Professor with three decades of experience in data modeling, schema design summarization, form generation, and natural language queries.
Consultant and trainer with specialized knowledge in website development, markup languages, mobile device management, and e-commerce.
IT consultant with deep experience in business intelligence integration and enterprise solutions development and a range of operating systems and programming languages.
Financial Technology Expert Witness
Successful leader of global teams in business process transformation, ERP software implementation, and IT vendor selection as well as data center operation.
Subject matter expert in electronic payment systems with three decades of experience with financial transaction processing and security.
Professor of computer science and consultant with full-stack expertise in database-backed websites and mobile apps, payment system integration, and security.
SaaS programmer with experience in ERP solutions from SAP and Salesforce as well as cloud computing platforms from Amazon, Google, Microsoft, and Oracle.
Experienced developer of high-reliability business computing systems and large-scale software projects, especially in the world of bank technology.
Consultant with over thirty-five years of industry experience in smart card-based solutions for payments and digital security and deep expertise in secure chip technologies.
Firmware and IoT Expert Witness
Director of one university research lab that supports NASA and another that prototypes smart grid / energy, smart roads, and other smart city projects.
Computer engineer with fifteen years of experience in all phases of engineering from system architecture to electronics and software design to manufacturing.
Systems engineer with decades of hands-on experience in the design and implementation of Internet-connected products using WiFi, cellular, and other protocols
Professor and industry consultant specializing in software design reviews, systems design and analysis, and the optimization of computer systems.
Stanford-educated professor, whose industry career began at AT&T Bell Labs, with specialized expertise in cyber-physical systems and computer vision.
Adjunct professor of computer science with two decades of industry experience in software engineering and all phases of the software development life cycle.
Professor of computer science with specialized expertise in network quality of service, routing, and visualization as well as remote sensing.
Computer scientist and reverse engineering expert with twenty years of experience developing large-scale distributed high-performance systems.
Former professor and textbook author with over a decade of industry experience developing software for embedded systems for a range of industries.
Industrial Controls Expert Witness
Industrial systems engineering expert in material handling systems for packaging and production, including conveyors and conveyor systems.
Registered PE and licensed electrical contractor with forty years of hands-on experience in UL and NEC-compliant electrical system design.
Professional Engineer (PE) with several of hands-on experience developing products and software for industrial, consumer, enterprise, military, and medical applications.
Electrical engineer and expert in battery and power electronics technology with special technical expertise in motor drives and inverters.
Mechanical and electrical engineering professor with significant expertise in intelligent transportation systems and vehicle dynamics and control.
Engineer with thirty five years of energy industry experience primarily in the areas of industrial process design, safety and control systems integration, and plant operations.
Mechanical Design Expert Witness
Engineering consultant with hands-on industry experience in mechanical and electrical design as well as software and firmware development and testing.
Mechanical engineering professor and expert in thermofluid issues with extensive expertise in heat transfer, combustion, energy systems, and thermal management.
Professor of mechanical and computer engineering with two decades of industry and academic experience in automation, mechatronic, and robotic system design.
Medical Devices Expert Witness
Professor with decades of experience in systems design and and expertise in bio-robotics, medical devices, actuators, and fault tolerant computing.
Specialist in safety-critical product development certified in regulatory requirements and twenty-five years of experience in software design for medical devices.
Computer engineer with over thirty-five years of experience designing electronics and software for safety-critical medical devices and consumer electronics.
Former professor and materials scientist whose areas of specialized expertise includes electronics and MEMS sensor design as well as signal processing.
Former director of software engineering with deep experience in medical products and the FDA 510(k), ISO-13485, and IEC-62304 software quality systems.
Consultant specializing in regulatory and clinical research with extensive experience in Class II and Class III medical devices in FDA and ISO-regulated environments.
Engineering professor with decades of experience at the forefront of the design and fabrication of microelectromechanical systems (MEMS) and nano devices.
Biomedical scientist with decades of experience with the central and peripheral nervous system, clinical and non-clinical research, and computational modeling.
Researcher and consultant with a PhD in electrical engineering and specialized expertise in signal, image and video processing, and data compression.
Experienced computer engineer and corporate IT leader with experience in the biotech, pharmaceutical, medical device, and other industries.
Military & Aerospace Expert Witness
Professor of electrical and computer engineering who consults and specializes in secure waveform design, electronic warfare, and satellite communications.
Electrical engineer with three decades of experience in safety-critical aerospace, automotive, and medical and expertise in hybrid electric vehicles.
Electrical engineer with substantial experience in the design of GPS and navigation systems, including DSP and image processing, in military and civilian applications.
Industry veteran and former member of NASA's Super Problem Resolution Team who built or managed the development of over one hundred computer products.
Professor with significant expertise including in advanced radar, software-defined radio, and broadband powerline communications.
Computer science professor with specialized expertise in RF signals and antennas, GPS, communication satellites, and information security.
Consultant with thirty years of software development experience designing products from autonomous underwater robots to cable modems and set-top boxes.
USAF researcher in image processing and GPS-denied navigation with decades of experience in control systems including for aerial drones and UAVs.
FAA-certified DER, flight instructor, commercial pilot, and former engineering director software architect for next generation cockpit flight displays.
Professor of mechanical and aerospace engineering with expertise in sensor fusion and computer perception for autonomous systems, including self-driving cars.
Mobile Devices & Apps Expert Witness
PhD in psychology and author of two books on UI design with experience leading research to evaluate the usability of operating systems, websites, and apps.
Computer science expert with decades of experience designing software and electronics, including handheld, IoT, and wearable devices as well as video games and apps.
Electrical engineer with two decades of experience in the design of embedded systems with a particular emphasis on the internals of Linux and its filesystems.
Consultant with two decades of experience developing software and mobile apps for Android, Linux, Windows, and real-time operating systems.
Computer scientist and inventor with decades of successful software and app creation for a variety of platforms, including Android, iOS, MacOS and Windows.
Professor of electrical engineering and an award-winning innovator in the areas of wireless communication systems and mobile networks who has testified as an expert witness.
Accomplished software and systems engineer with specialized expertise in UI design and human factors for mobile, web, desktop, and server software.
Engineering professor with decades of experience in virtual reality (VR), streaming multimedia, computer vision, artificial intelligence (AI), and robotics.
Professor emeritus and software consultant with experience in every phase of software development who helped standardize short range wireless protocols.
Optical Equipment Expert Witness
MIT-educated electrical engineer, computer scientist, and physicist with two decades of expertise including in network processors, TCP/IP, fiber-optic networks, and VoIP.
Electrical and optical engineer with demonstrated experience leading global, cross-functional engineering teams in the automotive and other industries.
Innovative physicist with decades of experience in electro-optical systems design and significant expertise in low noise circuits and optical instruments and measurements.
Electrical engineer with broad industry experience in development and manufacturing of optical and magnetic storage products including RAID disks and SCSI interfaces.
Renewable Energy Expert Witness
Chemist and portable power expert with thirty years of industry experience at the leading edge of lithium battery and ultracapacitor technology development.
Computer engineering professor and expert in renewable energy and smart grid technologies with twenty-five years of experience in industry and academia.
Chemist and consultant with four decades of experience in the area of electrochemical energy devices, including batteries, capacitors, fuel cells, electrolysis and corrosion.
Electrochemist, consultant, and materials science professor with extensive experience in research and industry for battery electronics, including manufacturing.
Professor and expert with twenty five years of experience in power electronics, including power quality and conditioning as well as renewable energy generation.
Professor of electrical engineering with experience in power electronics, including low power circuits, solar cells, wireless power transfer, and high voltage systems.
Electrochemist and materials engineering consultant with thirty years of experience and expertise in all aspects of battery systems and energy storage.
Professor of electrical and computer engineering with over twenty-five years of experience in materials science, systems engineering and design of microelectronics.
Signal Processing Expert Witness
Professor of communications theory and signal processing with twenty-five years experience applying these to innovate in a range of industries.
Consultant and former professor of computer science with decades of hands-on experience in speech recognition, IVR, RFID, streaming multimedia, and data encryption.
Software developer and professor with extensive experience designing/developing/deploying advanced multimedia on platforms including handheld devices.
Forty years of academic and engineering experience in computer science, software development, and especially signal processing for audio and music.
Professor with unique expertise in JPEG image and MPEG video standards who conducts research in computer vision, pattern recognition, and machine learning.
PhD electrical engineer and data communications expert with three decades of industry and research experience in DSP, video and image encoding, and data compression.
Professor of electrical engineering who spent two decades researching and inventing algorithms at the intersection of acoustics, digital signal processing, and machine learning.
Computer systems expert with twenty five years experience including in video streaming/coding/processing and the design of AI-enhanced automated video security systems.
Consultant and professor of electrical and computer engineering with twenty issued U.S. patents on digital signal processing and digital receiver technologies.
Telecommunications Expert Witness
Consultant with two decades of experience in wireless protocols and standards, including all generations of the IEEE 802.11 “WiFi” and GSM cellular standards.
Professor of electrical engineering and computer science with decades of R&D experience in communications networks and wireless signal detection and estimation.
Cellular and wireless communications expert with experience in military radio and mesh networks who has also been a leader in protocol standards development.
Electrical engineering professor with extensive experience in industry and specialized knowledge in error-correcting codes, image processing, and audio data compression.
Engineering consultant specializing in wireless cellular mobile technology who has written real-time software for products from automotive and medical to mobile handsets.
Leading expert in the field of digital cellular mobile radio communications who was involved in the development of the earliest GSM standard.
Network and wireless technology expert with over thirty years of industry experience who has been significantly involved in multiple wireless standardization efforts.
Internationally recognized expert in high-speed communications and computing as well as semiconductor device development.
Electrical engineer and consultant in telecommunications, information technology, media, electronics, and e-business with thirty years of industry experience.
Wireless communications consultant specializing in network performance analysis, radio network coverage and capacity planning, spectrum management, and traffic modeling.
Career consultant in the field of telecommunications and information services with extensive involvement in the design of major voice and data networks.
Consulting electrical engineer with thirty-five years of experience in cellular standards including GSM, UMTS, and LTE and other wireless communication protocols.
Independent engineering consultant in the design of both electronics and software with a formal education in electrical and mechanical engineering.
Consultant in digital communications with industry-leading expertise in telecom regulation, including the way telephony networks, providers, and users interact.
Scientist and leading expert in communications standards and protocols, including TCP/IP, 802.11 WiFi and cellular/LTE.