Mobile Expert Witnesses

Los Angeles, California

Computers, Information Technology - Digital Forensics, Computer Forensics, Electronic Evidence, Electronic Discovery, eDiscovery, Email Analysis, Mobile, Computers, Cybersecurity, Cyber Breach Investigations, Cyber Investigations, Incident Response, DFIR

Dr. Joseph Greenfield is the Vice President and Chief Forensic Examiner at Maryman & Associates and an award-winning educator. He is a renowned computer forensics expert with over 15 years of investigative experience, including cyber breach investigations, employee misconduct, and email recovery and analysis. He has worked over 1000 cases and analyzed over 2000 pieces of digital evidence. His is known for deep forensic analysis while being able to explain technical details to non-technical decision-makers. He has provided expert witness testimony in state, federal, and international legal matters. Dr. Greenfield is also an Associate Professor of Information Technology Practice at the Viterbi School of Engineering at the University of Southern California, where he authored the undergraduate programs in both cybersecurity and digital forensics. In 2014, the Ponemon Institute ranked USC as 6th in the nation for “Best Schools for Cybersecurity” and the highest ranked on the West Coas...

Los Angeles, California

Telecommunications, Technology - Cellular Analysis, Cellphone, Wireless, CDR (Call Detail Records), GPS, Timing Advance, Network, IoT, 3G/4G/5G, Connected Cars, WiFi, Geolocation, VoIP, Call Logs, Mobile, Tracking, Social Media, National Asset, CAST (Cellular Analysis Survey Team), FBI

Every call, text, and digital interaction leaves a trace. While raw cellular data can appear chaotic and difficult to interpret, when properly analyzed it tells a clear and powerful story. Through Overwatch Analysis, complex technical records are transformed into understandable, defensible, and persuasive evidence suitable for courtroom presentation. My name is Jeff Bennett, and I am a retired Special Agent with the Federal Bureau of Investigation and a former National Asset of the FBI’s Cellular Analysis Survey Team (CAST). I bring more than 25 years of frontline investigative experience specializing in cell phone location analysis, call detail record interpretation, and digital geolocation evidence. Over the course of a 22-year FBI career, I worked thousands of violent crime investigations across the United States, where the strategic exploitation of cellular and digital data was consistently critical to resolving cases efficiently and accurately. In 2019, I was selected as a CA...

Las Vegas, Nevada

Telecommunications, Communications - Cellular, Call, SMS, VoIP, Mobile, Data, Network, Voicemail, Telecommunications, Location, Billing, VoIP, Telephone, LBS, Wireless, Multimedia, Voice, Messaging, FinTech, Telephone

Mr. Snyder has over 40 years of experience in telecommunications networking, system architecture, engineering, design, technology, financial technology (fintech), and management. He is a C-level executive with extensive experience leading product management and product management teams. He has over 30 years’ experience with several early stage startups from initial seed funding through acquisition and exit. Randy is a recognized technology and industry expert in wireless, cellular, and landline telecommunications as well as telecommunications and internet protocols. He has been retained as an expert witness in over 500 legal cases, both national and international, as an engineer and has been qualified as an expert witness in Federal District Court many times. He has provided expert witness services in Telephone Consumer Protection Act (TCPA) cases, patent cases, trademark cases, breach of contract cases, illegal eavesdropping cases, and others involving telecommunications technolog...

Long Island City, New York

Software Engineering, Intellectual Property - Software, Mobile, Apps, Patent, Trade Secret, Infringement, Source Code, Inspection, Android, Development, macOS, Engineering, iOS, Kotlin, Objective-C, Java, Swift, IP, AI, ML

David Howell is a former Apple software engineer with more than 35 years in the software industry and experience teaching computer science and engineering management at a graduate level. He has founded three startups, including one acquired by Apple, with a focus on mobile, desktop, and web apps, and is currently CEO of Expert Guild, an agency that helps litigation teams find the perfect testifying expert for technology and healthcare-related cases. In the past his roles have included Chief Executive Officer (CEO), Chief Technology Officer (CTO), VP of Engineering, Senior Software Engineer, and member of Boards of Advisors. As CEO of Avatron, he led a team of ex-Apple engineers to build world-class productivity apps for mobile devices. At Apple he managed a platform enabling third-party visual-effects plug-ins for film and video. As an expert witness, Mr. Howell has written 20 opinions, testified in Federal court twice, arbitration court once, and the UK Competition Appeal Tribunal...

Dix Hills, New York

Telecommunications, Electrical Engineering - wireless expert witness, Bluetooth expert witness, MIMO, asset tracking expert, Wi-Fi expert witness, RFID expert witness, OFDMA, BLE beacon expert, 802.11 expert witness, IPR expert witness, 802.11ax, 3GPP, 5G expert witness, patent litigation expert, NFC expert witness, LTE expert witness, cellular expert witness, RTLS expert

Dr. Jacob Sharony is a wireless technology expert witness and principal consultant of Mobius Consulting, an independent mobile and wireless technology consulting firm he founded in 2004. He has served in nearly 60 expert witness engagements in wireless and mobile technology disputes, including 37 inter partes review (IPR) proceedings before the USPTO Patent Trial and Appeal Board (PTAB) plus an ex parte reexamination, deposition testimony in 18 matters, jury trial testimony in the Eastern District of Texas, ITC Section 337 evidentiary hearing testimony (Inv. No. 337-TA-1278), two international arbitration hearings before UNCITRAL tribunals, and an expert report in UK High Court cellular SEP litigation. He has been engaged by petitioners and patent owners, plaintiffs and defendants, in roughly equal measure. Dr. Sharony brings more than 35 years of experience in wireless communications and mobile networks, including senior roles at Motorola/Symbol Technologies (eight years as Senior...

Windsor, Ontario

Human Factors, Transportation - Driver distraction, Distracted driving, automated, autopilot, fatigue, cellphone, accident, behavior, perception reaction times, trucking, reaction times, Mobile, multitasking, driving, drowsiness, autonomous driving, self-driving, behaviour, PRT, attention

Dr. Francesco Biondi is a Human Factors specialist and expert witness with extensive experience analyzing how attention, perception, cognitive workload, and decision‑making influence driver behavior and accident outcomes. His work spans distracted driving, human‑machine interaction, driver monitoring, and the behavioral mechanisms that contribute to crashes in both manually driven and partially automated vehicles. A core area of Dr. Biondi’s research focuses on driver distraction and over‑reliance on partially automated driving systems, including Tesla Autopilot and other Level 2 systems. His studies investigate how automation affects driver attention, situational awareness, hazard detection, trust, misuse, and fallback performance. He frequently evaluates cases where questions arise about automation complacency, driver disengagement, system alerts, and human‑factors expectations in automation‑related crashes. Dr. Biondi has served as an expert witness in both Canada and the United ...