Computers Expert Witness

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This page contains computers expert witnesses who testify, consult and provide litigation support on computers and related issues. Computers expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts. The issues and subjects these computers expert witnesses testify regarding may include: Computer Forensics, Digital Forensics, Computers, Information Technology, Cell Phone Forensics, Intellectual Property, Cybersecurity, Databases, Information Security, Video Forensics, Artificial Intelligence, Blockchain, Computer Security, Data Breach, and Data Recovery.

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Scott Greene Evidence Solutions, Inc.

Tucson, Arizona
Computers, Telecommunications - Cell Phone Forensics, Digital Forensics, Technology, EDR, ECM, Triangulation, Location, Black Boxes, Electronic Medical Records, Investigation, Legal, Communication, Email, Text messages, Cell phone apps, information Technology, intellectual property, internet, electronics, cyber security, Documents
• Accounting Systems • Black Boxes • ECU, EDR, ECM, Etc. • Cell Phones • Call Data Records (CDRs) • Computer Systems • Databases • Digital Cameras • Digital Fraud • Digital Media • Digital Security • Documents • Electronic Logging Devices • Electronic Medical Records (EMR / EHR) • Email / E-mail • Fax Machines • Google Data • GPS Systems • GPS Records • Hacking Events • iCloud data • Intellectual Property • Internet Browsing History • Intrusions • Medical Systems • Other Electronic Devices • Password Cracking • Photo Copiers • Photos and Images • Printers & Fax Machines • Software Applications Custom & Commercial • Software Design & Development • Social Media • Source Code Analysis • Spreadsheets • Telematics Systems • Websites • And More Evidence Solutions, Inc. 2008* – Present Principal and Senior Digital Forensics Examiner. • Full-Service Computer, Technology & Digital Forensics. • Senior Computer and Technology Evidence Examiner. • Responsible for overall management of the Digi...

Steven Alexander Trace Digital Forensics, LLC

Bakersfield, California
Computers, Cybersecurity - Computer Forensics, Digital Forensics, Mobile Forensics, Cell Phone, iPhone, Android, Smartphone, Windows Forensics, Mac Forensics, Computer Hacking, IP Address, Geolocation, information technology
Mr. Alexander has examined computers and mobile devices in response to civil and criminal proceedings, computer misuse investigations, and security incidents. He has worked on cases involving wire fraud, embezzlement, business disputes, personal injury, street crime, harassment, restraining orders, and child pornography. He excels at analyzing expert witness reports and other technical materials. A lifelong technologist, he has over twenty years of experience in information technology including roles as a software developer, network engineer, IT director, and IT security director. He has multiple publications and has presented at several conferences and workshops. Certifications: • EnCase Certified Examiner (EnCE) • Magnet Certified Forensic Examiner: AXIOM (MCFE) • Certified Information Systems Security Professional (CISSP) • GIAC Security Leadership (GSLC) • CompTIA Security+ Services: • Computer Forensic Examinations (Windows & Mac) • Mobile Device Examinations (iOS & Android)...

Donald Alpert, PhD Camelback Computer Architecture, LLC

Sacramento, California
Computers, Electronics - Computer Architecture, Computer Systems, Personal Computers, Embedded Systems, Memory Systems, I/O Systems, Microprocessors, Instruction Sets, Media Processing, Power Management, Digital Design, Semiconductors
Donald Alpert, Ph.D. has over 40 years experience in the electronics industry leading the development of microprocessor and computer products at Intel, National Semiconductor, and Zilog. Over the past decade he has served as an expert on dozens of patent litigation cases, handling claim construction, infringement, and invalidity issues. Dr. Alpert has worked as a consulting and testifying expert assisting attorneys representing major high-tech corporations in Federal Court cases, International Trade Commission investigations, and Patent Trial and Appeal Board Inter-Partes reviews. Dr. Alpert also consults to assess patents for acquisition and pre-litigation review.

Andrew Crain Berkeley Research Group

Emeryville, California
Computers, Investigation - Digital forensics, mobile device forensics, electronic discovery, fraud, embezzlement, trade secrets, employee mobility
EnCE certification Licensed private investigator in California and Texas

John Horst, CISSP®-ISSAP® Xanesti Technology Services, LLC

San Diego, California
Computers, Cybersecurity - Computer, Digital Forensics, Discovery, Databases, Class Action, Hacking, Breach, Encryption Safe Harbor, Health Care Data, Digital Medical Records, HIPAA, PII
John Horst, CISSP®-ISSAP®, is the Managing Member for Technology and Innovation for Xanesti Technology Services, LLC. John has provided expert information technology consulting across several lines of business such as pharmaceutical development, medical billing, general liability insurance, clinical laboratory systems, mortgage financing, and automotive aftermarket products. John has provided cybersecurity engineering, software development, installation and training, and troubleshooting for 11 years in support of multiple U.S. Navy programs of record, including programs operating at both unclassified and secret levels. John maintains an active national security clearance at the SECRET level. John has taught information technology courses for the University of Phoenix (San Diego and Online campuses) and Coleman University (San Diego) where John pioneered the development of computer game software development instruction, now a core part of the Coleman curriculum. John has also ta...

Arthur M. Keller, PhD Minerva Consulting

Palo Alto, California
Intellectual Property, Internet - Computers, Information Technology, Databases, Electronic Commerce, Software, Distributed Systems, Plaintiff, Defense.
Researcher and Lecturer, University of California, Santa Cruz, Senior Research Scientist, Stanford University, Assistant Professor, The University of Texas at Austin, Lecturer and Systems Programmer, Brooklyn College. Chief Technical Advisor and Board Member, Persistence Software (went public in 1999), Founder, COO, and CFO, Mergent Systems (acquired by CommerceOne in 2000).

Ernest J. Koeberlein, MACJ/DF, CISSP, GCFE, CCE, EnCE, CCO/CCPA IncidentResponse.us

Monrovia, California
Computers, Telecommunications - Computer Forensics, Cell Phone Forensics, Call Detail Records (CDR), Cell Tower/Site Mapping, GPS Mapping, Vehicle Infotainment / Navigation Systems, Surveillance Video DVR Preservation & Recovery, Video Forensics, Image Forensics
https://incidentresponse.us/curriculum-vitae SHORT LIST OF CERTIFICATIONS: - Certified Information Systems Security Professional - Certified Cellebrite Physical Analyst / Operator - Masters: Criminal Justice / Digital Forensics - Certified Vehicle Forensics Examiner - Certified Forensic Computer Examiner - GIAC Certified Forensic Examiner - California PI License # 27470 WORK EXPERIENCE: - 30 Years NASA / Jet Propulsion Laboratory (JPL), Employee or Contractor - Raytheon: Mission & Operations Services / DSIO, Chief of IT Security - ITT Technical Institute: School of Criminal Justice - Adjunct Instructor: Computer Forensics - IncidentResponse.us, Senior Digital Forensic Examiner since 2008 QUALIFIED AS EXPERT WITNESS AT: - United States District Court: Central District of California - State of California, State Personnel Board - Superior Court of California: - - - County of Los Angeles - - - - - Clara Shortridge Foltz Criminal Justice Center - - - - - Compton Courthouse - - - - - ...

Jason McDonald, PhD

San Francisco, California
Internet, Computers - SEO, Search Engine Optimization, AdWords, Google AdWords, Social Media Marketing
Jason McDonald is an expert witness working in the areas of SEO (Search Engine Optimization), Social Media Marketing, and Google AdWords. Jason's is the director of the JM Internet Group and is based in San Francisco, California. He is the author of best-selling books on Amazon.com including the SEO Fitness Workbook, the Social Media Marketing Workbook, and the AdWords Workbook. In addition to his thriving digital marketing consultancy, Jason also teaches at Stanford Continuing Studies, both online and on campus, focused on SEO (Search Engine Optimization) and Social Media Marketing. While he is based in the San Francisco Bay Area, Jason has been an expert witness in both state court in California as well as federal court in both Colorado and Maryland. He has extensive deposition and trial experience and has been certified as an expert witness in SEO, social media marketing, and AdWords. Jason's passion it to take complex ideas and make them easy-to-understand for the lay public. I...

Ryan McKamie, CISSP, CISM Certus Cybersecurity Solutions LLC

Redwood City, California
Cybersecurity, Intellectual Property - Cybersecurity, Information Security, Reasonable Measures, Trade Secret, Intellectual Property, Cybersecurity Standards, Cybersecurity Controls, Software Security, Application Security, Cloud Security, Data Breach, Computers, Forensics
Ryan McKamie is CEO of Certus Cybersecurity, a provider of cybersecurity consulting and expert testimony. Certus Cybersecurity specializes in: Intellectual Property (IP) and Trade Secret Misappropriation – Cybersecurity analysis, consulting and expert testimony in intellectual property litigation related to misappropriation of alleged trade secrets, including analysis and opinion of cybersecurity reasonable measures for alleged trade secrets. Cyber-Related Insurance and Contract Disputes – Analysis, consulting and expert testimony in cybersecurity-related insurance and contractual litigation, including analysis and opinion on whether specific security standards were maintained. Cybersecurity Consulting and Expert Testimony – Analysis, consulting and expert testimony in business litigation concerning data privacy and cybersecurity issues. Providing technical evaluation, forensics, and strategic advice to Fortune 100 corporations and Am Law 100 law firms before, during, and after ...

Harry G. Direen, PhD, PE Direen Tech Inc.

Colorado Springs, Colorado
Electrical Engineering, Software Engineering - Electronics, Control Systems, Embedded Systems, Robotics, Signal Processing, Drones, UAV, Software, Patents, Intellectual Property, Databases, Computers
Dr. Direen has over 35 years of experience as an engineer designing and developing systems in the electronics and software industry. He has significant experience as an expert witness supporting counsel and testifying in complex patent infringement cases. His expertise includes electronic systems, control systems; embedded systems design and development; databases; control of UAVs/Drones; product reverse engineering; and intellectual property. Dr. Direen has a broad base of knowledge in electronic and software systems gained from a long career developing a wide range of products and systems. Dr. Direen has reversed 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 analyze...

David L Peterson i7strategies

Valdosta, Georgia
Financial, Computers - Electronic Banking, Virtual Banking, Internet Banking, Virtual Branch, Correspondent Banking, Payments, Financial, ACH, Check, Wire, Card, Audio
31 years experience in banking technology, 25 years experience in payments, 22 years experience with internet/online banking, 21 years experience in correspondent banking. Original co-founder of Treev and founder of Goldleaf Technology. Member National Speakers Assoc. Have worked as sr. operations officer of a community bank with compliance and computer operations experience. Extremely qualified in electronic banking, payments and general banking operations. Self-motivated and will take necessary initiative for investigations, but will take direction from retaining counsel.

Wayne S. Josleyn, EnCE, CCE, CDRS, OFE, MCP G2 Research, Inc.

Meridian, Idaho
Information Technology, Computers - Digital Forensics, Cell Phone Forensics, Data Recovery, eDiscovery, Video Forensics, Computer Forensics, DVR Forensics
I have been a digital forensics expert since 2006 and have testified in Idaho, Oregon, Washington, Texas, California, Federal District, and Quebec, Ontario Criminal courts. Some areas of investigative and court experience include embezzlement, theft of trade secrets, fraud, misappropriation of funds, tax evasion, network breach, domestic violence, cyberstalking, breach of contract, and divorce. My skills include cell phone forensics (JTAG, off-chip, and geolocation), eDiscovery, data recovery from fire- and water-damaged media, DVR analysis, decryption, and social media investigation. I am an EnCase Certified Examiner (EnCE), a Certified Computer Examiner (CCE), an Oxygen Forensic Expert (OFE), and a Certified Data Recovery Specialist (CDRS) with experience in all industry-recognized commercially available digital forensic tools.

Benjamin W Masten, NRP, P.I., M.S.

Leo, Indiana
Emergency Medical Services, Emergency Preparedness - Disaster Response, Tactical EMS, Computers, ACLS, PALS, CPR, PHTLS, Pre-Hospital, Ambulance, EMT
COMPTIA Net + certified, EMT/Paramedic Instructor,

Seth A Cowand Veterans Lab Services

Linthicum, Maryland
Computers, Cybersecurity - Computer Forensics, Digital Forensics, Cyber Forensics, Mobile Forensics, Electronic Detection K9, Cyber Crime, Internet Crime, ISO 17025 Accreditation, Major Crime Investigations, Digital Evidence Preservation and Handling, Digital and Multimedia Forensics, and Certification and Accreditation.

Randy A Winters MatrixHCI, LLC

Massachusetts
Software Engineering, Computers - Speech Recognition, Facial Recognition, BIPA, ESI Protocol, Cybersecurity, Cryptocurrency, Blockchain, Software Architecture, Social Media, Software Code Review, Artificial Intelligence, IPR, Patent Infringement, Trade Secret
- Mr. Winters has been an expert in Speech Recognition Development, Cybersecurity, Blockchain, IPR, Trade Secrets since the early 1990’s until present and meets the qualifications for POSITA in most desired time periods with experience extending to present. - He served as CTO, CEO & President in various companies and has built multiple Award-Winning National Products and has patents in the US and abroad. - He also has blockchain development experience and designed the first cryptocurrency arbitrage system. 
 - Mr. Winters has experience with CMU's Sphinx, facial recognition, Siri, Goggle & Samsung's speech recognition privacy issues/design. - Mr. Winters has 30 years of computer development experience developing private sector products for companies like Microsoft, Apple, Hewlett-Packad, Fujutsu, Epson, Boeing, Honeywell, Air Force Research Labs (AFRL). - He has a Master of Software Engineering Graduate Degree from Carnegie-Mellon University (CMU) (later in his career in 2002). - ...

William A. Mason Wamason.com

Las Vegas, Nevada
Computers, Cybersecurity - Operating Systems, Device Drivers, File Systems, Computer Storage, Distributed Systems, Cryptography, Encryption, Blockchain, Computer Security, Distributed Consensus, Educational Technology, Human Computer Interaction, Computer Networks, Machine Learning, Artificial Intelligence
My expertise is in computer systems and computer technologies including consensus protocols as used by databases, distributed file systems, key-value stores, cryptocurrency, etc. Much of my work has been in data storage: databases, file systems, operating systems, device drivers, etc. I have extensive experience teaching complex technical topics, which allows me to explain concepts in approachable terms. I have authored peer-reviewed literature, technical books, and informational articles within my specialized field, and have been awarded 11 patents pertaining to my work. My litigation support experience is in patent litigation, most recently KOM v. Network Appliance (2018).

Ira Victor, G2700, GCFA, GPCI, GSEC-Gold, CGEIT, GRISC

Las Vegas, Nevada
Computers, Cybersecurity - Computers and Mobile Devices, Digital Forensics, Cybersecurity, Meta Data, Video Forensics, Data Recovery, Hacking, Information Security, Ecommerce, Vehicle Electronics, Electronic Banking, Email, Electronic Medical Records (EMR), Electronic Health Records (EHR)
I am an information security and digital forensics practitioner. I have more than two decades of experience in the field. I have significant experience with banking attacks, cloud data, ESI, electronic health records, email security, meta data, mobile devices, ransomeware, smartphones, wire fraud, and unauthorized access. I have earned six (6) advanced technical certifications, G2700, GCFA, GPCI, GSEC, CGEIT, GRISC. These certifications cover information security, information governance, the ISO security standard, compliance, and digital forensics. I am the co-inventor of technical advancements in email and information security (United States Patents granted). My methodology is science-based, with results that are reproducible. I pride myself on recovering useful digital evidence, in admissible form, and delivering concise written reports that clarify rather than confuse. I have been an advisor on data privacy and security laws to Nevada State Legislators, and to the Nevada Attor...

Kelly T Hickel Expert Witness Consulting Services

New York, New York
Technology, Economics - Financial, advertising, business damages, business operations, business valuation, computers, dispute resolution, information technology, internet, management, marketing, accounting
Expert Witness Consulting Services, LLC (“EWCS”) has recently been established to provide a range of services to independent professionals and professional service firms engaged in expert witness and related activities. EWCS has incremental, litigation-experienced human resources and national recognition within the legal community to significantly enhance the positioning and “throw weight” of affiliated expert witness firms.

William A. Mason Wamason.com

New York
Computers, Cybersecurity - Operating Systems, Device Drivers, File Systems, Computer Storage, Distributed Systems, Cryptography, Encryption, Blockchain, Computer Security, Distributed Consensus, Educational Technology, Human Computer Interaction, Computer Networks, Machine Learning, Artificial Intelligence
My expertise is in computer systems and computer technologies including consensus protocols as used by databases, distributed file systems, key-value stores, cryptocurrency, etc. Much of my work has been in data storage: databases, file systems, operating systems, device drivers, etc. I have extensive experience teaching complex technical topics, which allows me to explain concepts in approachable terms. I have authored peer-reviewed literature, technical books, and informational articles within my specialized field, and have been awarded 11 patents pertaining to my work. My litigation support experience is in patent litigation, most recently KOM v. Network Appliance (2018).

C. Matthew Curtin, CISSP Interhack Corporation

Columbus, Ohio
Computers, Cybersecurity - Data Breach, Security Incident, Information Security, Computer Science, Encryption
C. Matthew Curtin, CISSP is the Founder and CEO of Interhack Corporation. Curtin is Interhack’s lead computer scientist and cybersecurity expert. Curtin has been engaged in criminal, civil, administrative, and military processes by plaintiffs, defendants, and the courts directly. His opinion has been accepted by federal and state courts throughout the country in hearings, trials, and appeals. Curtin and his team help attorneys and executives understand the meaning and context of data and how they affect business, operations, or a legal case. Curtin’s vast knowledge and experience in the field of computer science and cybersecurity enables him to convey the optimal path forward and offer an opinion within a degree of scientific certainty. Curtin’s experience in the field enables him to train his team to operate in specialized task forces organized to respond to high-stakes situations such as data breaches. Curtin's work centers on the intersection of law and technology. The U.S. Cou...

Randy A Winters MatrixHCI, LLC

Saint George, Utah
Software Engineering, Computers - Speech Recognition, Facial Recognition, BIPA, ESI Protocol, Cybersecurity, Cryptocurrency, Blockchain, Software Architecture, Social Media, Software Code Review, Artificial Intelligence, IPR, Patent Infringement, Trade Secret
- Mr. Winters has been an expert in Speech Recognition Development, Cybersecurity, Blockchain, IPR, Trade Secrets since the early 1990’s until present and meets the qualifications for POSITA in most desired time periods with experience extending to present. - He served as CTO, CEO & President in various companies and has built multiple Award-Winning National Products and has patents in the US and abroad. - He also has blockchain development experience and designed the first cryptocurrency arbitrage system. 
 - Mr. Winters has experience with CMU's Sphinx, facial recognition, Siri, Goggle & Samsung's speech recognition privacy issues/design. - Mr. Winters has 30 years of computer development experience developing private sector products for companies like Microsoft, Apple, Hewlett-Packad, Fujutsu, Epson, Boeing, Honeywell, Air Force Research Labs (AFRL). - He has a Master of Software Engineering Graduate Degree from Carnegie-Mellon University (CMU) (later in his career in 2002). - ...

Dr. Eric Cole, CISSP Secure Anchor Consulting

Ashburn, Virginia
Cybersecurity, Computers - Computer Forensics, Computer Investigations, Computer Security, Cyber Breach, Information Technology, Intellectual Property, Loss Prevention, Network Security, Security, Security Management, Security Negligence, Technology,
A computer and cybersecurity expert witness with over 30 years of hands-on experience, Dr. Cole is an expert witness in information technology with a focus on cybersecurity. Dr. Cole works on a wide range of cases, including IP litigation (IPR, PGR, infringement, invalidity, damages), criminal and civil cases including gross negligence, SEC litigation, and cybersecurity breaches. He has taught at the SANS Institute, Georgetown University, NY Institute of Technology, and has been a guest lecturer at Purdue, MIT, Harvard, and Berkeley. He has his certification in CISSP and created the GIAC certification programs and exams. He served as a member of the Commission on Cybersecurity for the 44th President and is a member of several advisory boards such as the Purdue University Executive Advisory Board. While working for the Central Intelligence Agency (CIA), Dr. Cole received six exceptional performance awards, and has received the Cyber Wingman award from the U.S. Air Force. Dr. Cole...

Patrick J. Siewert Pro Digital Forensic Consulting

Henrico, Virginia
Computers, Technology - Computer forensics, cell phone forensics, cellular call detail records (CDR) analysis & mapping, Internet investigations, high-tech investigations, smart phone forensics, iPhone forensics, Apple/Mac forensics
• 15 years of award-winning law enforcement experience with over 10 years of case work in digital (computer & mobile device) forensics • Dozens of Expert Witness designations & appointments in digital (computer) forensics, cell phone forensics, cellular records analysis & mapping and online undercover investigation • Certified in Cyber Crime Investigation & Examination, Mobile Device Forensic Analysis and Cellular Records Analysis & Mapping • Specialized training & experience in Mac (Apple) computer forensics and cellular call detail records analysis & mapping • Nationwide Law enforcement & civilian instructor in digital forensics and police response tactics for over 12 years. Certified Law Enforcement Instructor. • Frequent contributor to local, regional and national media outlets in the field of digital forensics • Published dozens of articles on various digital forensic topics including ethical & best practices, case studies and product/training reviews

William A. Mason Wamason.com

Washington
Computers, Cybersecurity - Operating Systems, Device Drivers, File Systems, Computer Storage, Distributed Systems, Cryptography, Encryption, Blockchain, Computer Security, Distributed Consensus, Educational Technology, Human Computer Interaction, Computer Networks, Machine Learning, Artificial Intelligence
My expertise is in computer systems and computer technologies including consensus protocols as used by databases, distributed file systems, key-value stores, cryptocurrency, etc. Much of my work has been in data storage: databases, file systems, operating systems, device drivers, etc. I have extensive experience teaching complex technical topics, which allows me to explain concepts in approachable terms. I have authored peer-reviewed literature, technical books, and informational articles within my specialized field, and have been awarded 11 patents pertaining to my work. My litigation support experience is in patent litigation, most recently KOM v. Network Appliance (2018).

Steve Simpson, CCE, CISSP, CPTC, CSFA, PMP S2 Forensics

Gig Harbor, Washington
Computers, Cybersecurity - Digital Forensics, Mobile Forensics, Computer Forensics, Network Forensics, Email Forensics, Call Data Record analysis, Cell Tower Data analysis, Social Media Forensic analysis, Computer Crime Investigations, Cyber Investigations, Payment Card Industry Compliance, Digital Analyst
Steve Simpson, CCE, CISSP, CPTC, CSFA, PMP has over 35 years of experience in digital forensics, computer engineering, and data networking. His expertise includes criminal defense Litigation Support and Expert Witness testimony in cases involving cyberstalking, sexual harassment, No Contact Order violation, Domestic Violence, possession and distribution of child pornography, rape, kidnapping, unlawful imprisonment, and Net Nanny charges including attempted rape of a child and communication with a child for immoral purposes. Steve has extensive experience and training with computer and mobile device data extraction for cases involving social media apps including Facebook, Instagram, Snapchat, email, voice mail, text messaging, call data record analysis, and cell tower data analysis. Steve holds multiple computer forensics and management certifications including Certified Computer Examiner (CCE), Certified Information System Security Professional (CISSP), Certified Penetration Test...
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