Computers (General) Expert Witnesses: 26

Harry Direen, PhD, PE has over 30 years of experience as an engineer Designing and Developing Systems in the Electronics and Software Industry. He has taught engineering courses at the US Air Force Academy and at the University of Colorado. Dr. Direen currently works with a research group at the US Air Force Academy developing control systems and image processing using GPGPUs for UAVs. An inventor, he holds 3 United States patents.

Litigation Support - Dr. Direen has significant experience as an expert witness supporting counsel and testifying in complex patent infringement cases. He has a broad base of knowledge in electronic and software systems gained from a long career developing a wide range of products and systems. His litigation experience also includes encryption / decryption methods associated with databases and signal processing. Dr. Direen has reverse engineered a variety of complex systems over the years, including: media players, modems, modem compression algorithms, coriolis mass flow meters, database systems, and a range of other products to support patent infringement cases generating detailed claim charts and writing expert reports to demonstrate infringement. He has successfully discovered and analyzed complex digital signal processing algorithms and pertinent operations within these products. Dr. Direen's expertise is available to counsel representing both plaintiff and defendant. He is highly proficient in explaining complex systems to laymen.

Areas of Expertise:

Electronic Systems Control Systems Embedded Systems Design and Development Databases Control of UAVs / Drones

Robotics Software Signal Processing Product Reverse Engineering Intellectual Property

View Dr. Direen's Consulting Profile.

Matthew Albee, CFCE, EnCE, SCERS is a Computer Forensics expert with over 20 years of experience in his field. He currently serves as project manager and lead examiner on computer forensic and e-discovery cases for DataChasers, Inc.

Background Experience - Since 1996, Mr. Albee has been a Special Agent for the State of California Franchise Tax Board and the Board of Equalization where his responsibilities include equipping and maintaining the computer forensic laboratory, and conducting investigations that involved financial and computer crimes. Since 2012, he has served as a Course Evaluator /Subject Matter Expert for the Office of Anti-Terrorism Assistance (ATA), Diplomatic Security Service, United States Department of State.

Mr. Albee's experience with computer forensics runs the gamut from individual PCs to major corporations(references available), and includes every level and scope of examination. He has consulted to both public and private organizations and maintain a complete computer forensics laboratory.

Litigation Support - Matthew Albee has the distinction of having served as Special Master to Federal Court, as well as being the expert of record in numerous Superior and Municipal courts. He has extensive litigation experience as an expert witness and have testified for both civil and criminal cases. Mr. Albee has experience with employment law, family law, and criminal law cases.

Areas of Expertise:

Computer Forensics Cell Phone Forensics E-discovery Intellectual Property Disputes Unauthorized Computer Use

Restore Hidden, Deleted, Lost Files Restore Hidden, Deleted, Lost Files Images File Dates: Created, Modified, Deleted Internet History Tracking Email Recovery

View Matthew Albee's Consulting Profile.

Over his 20-year career with the FBI, Jason T. Ghetian excelled in investigating Cyber-related Crimes. Jason founded the FBI’s Orange County Cyber Task Force, uniting cyber investigators from federal, state, and local law enforcement agencies. His investigative techniques have been disseminated across all 52 FBI Field Offices and other federal agencies. 

Areas of Expertise:

Cryptocurrency Tracing Cryptocurrency Investment Fraud Digital Device Forensics Email Forensics Voice Over Internet Protocol (VOIP) Analysis Social Media Investigations Domain Attribution Money Laundering

Int'l Collaboration with Foreign Government Hacking Online Stalking SIM Card Swapping Business Email Compromises Phishing Tech Support Scams Romance Scams

From 2021 until his retirement in December 2023, Jason led U.S. government investigations into the Pig Butchering Scam, the largest cryptocurrency scam globally, earning him a nomination for the Attorney General’s award from the Department of Justice’s National Cryptocurrency Enforcement Team (NCET). Post-retirement, Jason appeared as an expert guest on the Dr. Phil show, which aired on April 24, 2024.

Jason is a specialist in cryptocurrency valuation and Virtual Asset Service Providers (VASPs), including Binance, Coinbase, Crypto.com, Bybit, OKX, Kraken, KuCoin, Bitget, and Gate.io. He has extensive expertise in major cryptocurrency assets such as Bitcoin (BTC), Ethereum (ETH), Tether (USDT), Binance Coin (BNB), USD Coin (USDC), and Tron (TRX), among others. Jason is adept at detecting and mitigating money laundering techniques by tracing through Decentralized Exchanges (DEXs) and Bridges. Additionally, he is skilled in using various Cryptocurrency Forensic Software Applications, including Chainalysis, TRM, and Qlue.

Jason holds a Bachelor of Science in Mechanical Engineering from the United States Military Academy at West Point and a Master of Science in Cybersecurity Engineering from the University of Southern California. See CV for certifications.

Howard J. Cohen, PhD, has over 30 years of experience in Software Engineering, Architecture and Implementation. He possesses particular expertise in Algorithms, Relational Databases, Graphical User Interfaces (GUIs) and Software Applications in general. His experience has been in a broad spectrum of technology, in several languages, in a wide variety of applications, and on multiple platforms. Dr. Cohen's background includes Electronic Design Automation, Bioinformatics, Digital Cartography, Banking Systems for Foreign Exchange Traders, and many more. He is the co-inventor on approximately 120 patents.

Dr. Cohen has over 15 years of experience as an Expert Witness. He possesses excellent written and verbal communications skills, including the ability to express himself well in interpersonal contacts, make presentations to large audiences, explain complex concepts clearly, and write well on levels ranging from the scientific to end user documentation. He is available to analyze complex systems, to write clearly about technical issues, and communicate face-to-face in a manner appropriate for any audience to understand the issues, the technology and the point of view. Dr. Cohen has been deposed and testified at arbitration hearings and in Federal Court.

Expert Witness Projects Include:

• Trade Secrets
• Copyright
• DMCA - Digital Millennium Copyright Act
• Patent Infringement
• Source Code Analysis
• Business Practices
• Damages Analysis
• Computer Software Security / Forensics

View Consulting Profile.

Joe Sremack is a leading technology forensic examiner with more than two decades of expertise in complex data, software, and systems analysis for high-stakes litigation and regulatory matters. As Practice Leader of CBIZ's Forensic Data Analytics and Technology division, he has served as consulting expert and testifying witness in over 500 engagements spanning multi-jurisdictional disputes across state and federal courts, international arbitrations, and proceedings before major financial and trade regulatory bodies in more than fifty countries.

 Mr. Sremack's technical expertise encompasses advanced data analytics, artificial intelligence system examination, proprietary source code analysis, and comprehensive IT infrastructure assessment. His work frequently involves intellectual property disputes, trade secret misappropriation claims, patent infringement cases, and complex commercial litigation requiring sophisticated technical analysis and expert testimony.

His extensive cross-industry experience includes engagements for Fortune 500 corporations, government agencies, and international entities, providing critical technical expertise in matters involving substantial financial exposure and complex regulatory compliance issues.

Areas of expertise include:
• Source code and software system analysis (theft of trade secrets, use of open source code/licenses)

• Artificial intelligence design and use

• Artificial intelligence forensics (theft of IP, AI harm, model development)

• Forensic data collection (enterprise systems, cloud systems, social media)

• Forensic data analysis and data science (use of algorithms, pattern detection, fraud analysis)

• Data privacy assessments (online tracking, data anonymization, unauthorized disclosure of PII/PHI)

• Enterprise system investigations and failure analysis (authenticating timestamps, system controls validation, explaining system operations)

• Database design, controls, and use

Areas of Expertise:

Data Analysis and Data Science Software Analysis Enterprise IT Systems Forensic Collection Source Code Analysis Trade Secrets

Digital Forensics Artificial Intelligence Software Engineering Geospatial and GPS Data Database Technology Systems Controls

Brooks Hilliard, CMC, CCP is the only actively practicing expert witness in the world who is both a Certified Management Consultant and a Certified Computing Professional specializing in computer system selection and problem resolution. He has testified more than 30 times as a computer expert witness and has been engaged on more than 90 such matters for both plaintiffs and defendants. Mr. Hillard has done expert witness and consulting assignments in 25 states, and has qualified as an expert witness on computer software and hardware (including ERP, SCM and CRM systems) in both state and federal litigation. His expert witness engagements have included courtroom and deposition testimony in lawsuits, arbitrations, mediations and formal governmental hearings. 

Areas of Expertise:

• Allegations of ERP and CRM system failures and/or defective business software/systems
• Computer Forensics
• Intellectual property
• Valuation of computer hardware, software and services
• Regulatory, Procurement and Tax matters

Burgess Forensics -Specialists in Computer Forensics, Electronic Discovery, Expert Witness, Data Recovery Since 1985

World-renowned leaders in the recovery of data from disk drives, diskettes, and other media. Burgess Computer Forensics knows all documents begin on a computer - a rich source for discovery. We begin with forensic imaging, finding hidden, deleted and corrupted files, images, email, Internet and file histories. Burgess explains results and computer technology in terms understood by layperson, judge and jury. Mr. Burgess has written and spoken widely and contributed the comprehensive Computer Forensics section to recently-released "Scientific Evidence in Civil and Criminal Cases, 5th Ed." by Moenssens, et al.

Services Offered:

• Digital and electronic media, forensic and evidentiary processes
• Computer forensics cases nationwide, testified as expert witness in many courts
• Digital discovery, e-discovery, electronic discovery
• Forensic imaging
• Password cracking
• Email and email address recovery
• File and image recovery
• Internet history recovery and Internet activity analysis
• Spyware and malware analysis
• Criminal defense work
• Steganographic analysis
• Expert testimony
• Project Management
  Our cases have included: Employment Law, Family Law, Intellectual Property, Software Design, Pornography, Child Pornography, Fraud, Military, Law Enforcement, Computer Crime, Harassment, Litigation Support, Embezzlement, Contract Dispute, Security Issues, Murder, Traffic Violation, Class Action, Product Liability, Patent Dispute, Stock Manipulation, American Indian, Medical Devices, Tax Evasion, Surveillance, Manufacturing, Public Works, Sabotage, Immigration, Mobile / Cell Phone, Smart Phones, PDAs, Public Education, Real Estate, Wrongful Termination, Labor Dispute, Insurance, Architecture, Stock Pricing, Stock Ownership and many more.

Baw Chng is a highly experienced Networking, Communications, Computer, and Software expert. He is an inventor with 11 patents in communication and networking technology. He is also a published author, public speaker, and USPTO Registered Patent Agent.

Experience: 24+ years of professional experience in telecom and networking. Consulted for Tier-1 national communication service providers and their strategic technology vendors. Experienced in engineering R&D, standards development, and patent assessment. Baw Chng has published papers, given public talks/presentations, provided expert consulting, written expert reports, provided deposition & testimonies as an expert witness.

Ideal Client - Litigators who work on cases that involve complex technical issues, patent and intellectual property related issues, business contract cases that involve sophisticated technology.

Areas of Expertise

Computer Networking Wireless Communication Cellular Technology Telecommunication Web Services

Cloud Computing Patent Infringement Call Record Analysis Internet-of-Things Computer Software

Technical Skills and Knowledge include:

• 3GPP and 3GPP2 families of cellular mobile broadband radio access and core network standards, small cells, femtocell, inter-technology handover and roaming
• IEEE 802.11 (Wi-Fi, mesh, infrastructure), 802.3 (Ethernet), 802.15 (WiMAX), 802.16 (WPAN) families of standards
• Network architecture, telecom system architecture
• Internet standards and protocols, TCP/IP, UDP, RTP, DHCP, DNS, ARP, GRE, etc.
• Internet-of-Things (IoT), M2M, LoRa, LoRaWAN, LTE Cat-M, NB-IoT
• Hotspot 2.0 / Passpoint (for Wi-Fi)
• IPsec, IKEv2, L2/L3 tunneling, NAT/NAPT (firewall)
• SAML, SAMLv2 federation; oAuth, oAuth 2.0 authentication; RADIUS, DIAMETER
• Network & device management, Broadband Forum TR-69 and IETF SNMP standards
• Software Defined Networking (SDN), Network Function Virtualization (NFV)
• Self-Organizing Network and Self-Optimizing Network (SON)
• Web Services, REST/JSON API design & implementation, HTTP
• Cloud computing, Amazon Web Services (AWS)
• Big Data, Avro, Parquet
• Plastic Optical Fiber (POF), Optical Networking
• Software architecture, Object-oriented design and programming, design patterns
• Go Lang, C, C++, Perl, LabVIEW, BASIC, Pascal, Unix shell scripting languages
• HTML, CSS, web design & development, web hosting, JavaScript, CGI Programming
• Operating systems (RTOS, various Unix/Linux variants, iOS, Android, etc.)
• Quality of Service (QoS), Fair Scheduling, Fair Queueing
• Interconnection networks and switching fabrics for parallel computers, network switches, and routers

Master's degree in Computer Science (MSCS), Bachelor's degrees in Electrical Engineering and Computer Engineering (BSEE, BSCoE), Washington University in St. Louis.

View BAWMAN LLC's Consulting Profile.

Chris Silver Smith is an Internet Marketing Expert who has served in lawsuits involving search engine optimization (SEO), search advertising (Pay-Per-Click advertising / PPC), social media, domain names, and more.

Mr. Smith bears the distinction of long occupying the topmost organic rankings for searches for "SEO Expert Witness", establishing that he is a not only able to speak to the theory of search engine optimization, but is also able to practice it. Smith's legal work has enabled his clients collectively to be awarded more than $94 million in their court cases, and his clients prevailed in the majority of cases he has served upon.

Litigation Support - Mr. Smith helps large companies and large brand names protect their marks in trademark infringement cases and online defamation cases. He has served as an expert on behalf of PODS Enterprises, Starbucks, Versace, GoDaddy, Adidas, and others. He does not assist companies involved with gambling, porn, recreational pharmaceuticals, tobacco, alcohol, multi-level marketing, or cults.

Specializations:

Search Engine Optimization (SEO)  Search Advertising (PPC)  Google Ads Search Certified

Social Media (Facebook, Twitter, Instagram, YouTube, TikTok, Tumblr, etc) Domain Names Defamation & Reputation Management

Background Experience - Mr. Smith has a diverse background as he was self-taught programming in high school, and was first trained in hypertext, the protocol subsequently succeeded by HTML, which continues to be the dominant markup language for webpages. Smith also learned higher-level C programming language in college, and later went on to work for a decade for Verizon where he ultimately was head of the technology department for one of the company's largest websites. In his roles at Verizon, Mr. Smith performed software development in multiple internet programming languages that included a proprietary Verizon language, PERL, PHP, and JAVA. 

Mr. Smith also provided user-interface design and served as an analyst. He was promoted to overseeing multiple developers and teams for usability research, search engine development, SEO, graphic design, internet analytics, advertising system design, and advanced research. As the company's pioneer in SEO research, Mr. Smith was awarded the company's highest honor, the Individual Excellence Award, for increasing search engine referral traffic and associated revenues. Smith's contribution also resulted in multiple patents awarded for search and presentation technologies.

After leaving Verizon, Mr. Smith worked for a couple of prominent and exclusive internet marketing companies before founding his own agency at Argent Media™.

Chris Silver Smith has long been a writer for Search Engine Land, one of the industry's top news and information websites for search engine marketing, and he has spoken at numerous conferences on his areas of expertise. 

View Argent Media™ Consulting Profile.

Jessie Stricchiola has over 23 years of experience in the fields of Search Engine Optimization (SEO), Digital Marketing, and  Internet Technologies. She is the founder of Alchemist Media, Inc., a digital marketing consultancy launched in 2002 that provides various internet and search engine marketing consulting services, including SEO, website development, web analytics, and digital marketing strategies.

Ms. Stricchiola began studying search algorithms and digital information discoverability in 1997, and was first employed as a full-time search engine optimization (SEO) specialist in 1998. She is co-author of The Art of SEO, (O’Reilly Media, 1st Ed. 2009, 2nd Ed. 2012, 3rd Ed. 2015, 4th Ed, 2022), a treatise on the practice of SEO that has been used as required or recommended reading in courses at Georgetown University, USC, UCLA, UCSD, UC Davis, the University of Wisconsin, Syracuse University, the University of Mumbai, the City University of Hong Kong, and others.  

Ms. Stricchiola has been a presenter and/or moderator at various search engine and internet industry conferences since 2002, including Ad:tech, O'Reilly's Web 2.0, Pubcon, Shop.org, FOO Camp (O’Reilly), Search Engine Strategies, Search Marketing Expo (SMX), and others.  She is credited with having been the first to identify Click Fraud in the PPC (pay per click) industry in 2001. Her work on this issue has been featured in numerous media outlets, including NPR, The New York Times, The Wall Street Journal, Wired.com, CNN Money, and in The Google Story (First Edition, David a. Vise).

Litigation Support - Jessie Stricchiola has been qualified as an Internet Discoverability, Web Analytics, and Search Engine Optimization Subject Matter Expert in two US Federal District Courts, the Federal Court of Canada, and various California Superior Courts. Her services include pre-file case evaluation and research, expert consultant (non-testifying) engagements, and expert witness testimony at deposition and trial including claims construction and related testimony for patent litigation. CV available upon request

Parties to Litigation: U.S. Government, Uber Technologies Inc., Google Inc., Microsoft Online Inc., Yahoo! Inc., Dyson Technologies, Inc., IHG Hotels & Resorts, FremantleMedia, and others.

Areas of Expertise:

Internet / Web Forensics Digital Data Discoverability Digital Content Archives Search Engine Visibility Click Validity Measurement Internet Investigations Website Traffic Analytics

Open Source Data Internet and Digital Marketing Website Development E-commerce Web Analytics Social Media - Facebook, Twitter, Instagram Intellectual Property - Trademark, Patent, Prior Art

 View Alchemist Media Inc.'s Consulting Profile.

Telecommunications, networking, data communications, mobile networking, and networking protocols expert.  A Ph.D. computer scientist with over 24 years of experience. He designed 3G wireless infrastructure at Nortel Networks, launched Google TV globally with OEM partners (involving content delivery networks, streaming protocols, and device integration), and conducted extensive due diligence on telecom and wireless investments as a venture capitalist. His expertise spans mobile protocols, Wi-Fi, Bluetooth, 3G/4G/5G, TCP/IP, routing, CDNs, ad-hoc networks, and distributed systems.

As a testifying expert witness, Dr. Jonyer has opined in U.S. District Court, ITC, PTAB, arbitration, and state courts on patent infringement, invalidity, breach of contract, trade secret misappropriation, and copyright infringement. Retained in cases involving Google, Apple, Netflix, Roku, Nokia, and Cloudflare, he has provided deposition and trial testimony, authored expert reports, and is known for translating complex networking and telecom concepts into clear explanations for courts, juries, and counsel.

Areas of Expertise

• Networking and Telecommunications: Wireless communication, mobile networks, Wi-Fi, Bluetooth, 3G, 4G, 5G, ad-hoc networks, TCP/IP, routing, content delivery networks (CDN), packet switching, distributed systems.
• Smart TV and Streaming: Google TV (Chromecast predecessor), Android TV, Roku, content delivery, UX integration, OEM partnerships (Sony, LG, Vizio).
• Artificial Intelligence: Neural networks, deep learning, graph mining, clustering, supervised learning, reinforcement learning, GANs, generative AI, accelerators—applied to telecom and network optimization.
• Software Analysis: Computer architecture, cloud computing, web applications, internet computing.

Expert Witness Experience

• Proven in 20+ cases, Dr. Jonyer opines on patent infringement, invalidity, IPRs, trade secrets, breach of contract, involving giants like Google, Apple, Meta, Netflix, Nokia.
• Deposed 5+ times; testified in USDC (NH, MN, CA, TX), PTAB, intl. arbitration.
• Works plaintiff/defense with law firms like Ropes & Gray, Fox Rothschild, Boies Schiller.