Data Privacy Expert Witnesses

El Segundo, California

Software Engineering, Internet - Distributed systems, Software failure analysis, Software defect investigation, Code review, Software architecture, Artificial intelligence, Machine learning, Software patent, Software copyright, Software trade secret, Breach of software contract, Software project failure, Data privacy, Cybersecurity incident, SaaS platform

# Qualifications - Software engineering expert with extensive experience analyzing internet, web, and mobile systems in high-stakes disputes - Deep, hands-on expertise in modern software systems, including web applications, mobile platforms, and distributed backend services - CEO of a technical consulting firm Cyberonix Experts, LLC, specializing in software IP analysis, source code review, and expert testimony - USC Computer Science faculty (teaching graduate-level Software Engineering and Software Architectures courses) # Litigation & Expert Work - Experience serving as an expert in matters involving software patent, copyright, and trade secret - Conducts detailed source code review and technical analysis of software systems at issue - Performs root cause analysis for outages, bugs, and degraded system performance - Assesses claims related to breach of contract, failed implementations, and unmet technical requirements - Supports counsel with clear, well-documented, and defensib...

Los Angeles, California

Financial, Securities & Investments - Mortgage lending, Securities ratings, Cybersecurity, Securitization, Mortgage banking, Structured finance, Commercial RE leasing, Life and annuity insurance, Financial Risk Mgmt, Mortgage & asset-backed securities, Mortgage underwriting, Reinsurance, Financial guaranty, Damages, Mortgage origination, Litigation, Data Privacy, Breach

David Steel Managing Director, Risk Management & Litigation Support Advisory, The Oakleaf Group LLC David K. Steel serves as Managing Director of Risk Management and Litigation Support Advisory for Oakleaf. In his role, David is responsible for building the firm’s Financial Services Risk Management Practice and further expanding Oakleaf’s successful litigation support advisory business. David is an experienced leader in the financial services industry, with expertise in credit risk underwriting, enterprise risk management, portfolio management, capital markets, business strategy, restructurings, and arbitrations. Before joining Oakleaf, David successfully de-risked an $8.3 billion portfolio of reinsurance credits as a consultant for American Overseas Re. He also served as Chief Risk Officer of a life and annuity reinsurance venture for one of the largest US banks, creating an ERM framework, underwriting guidelines, and corporate governance policies and procedures. David was p...

Los Angeles, California

Artificial Intelligence, Software Engineering - data analysis, data science, source code analysis, patent infringement, natural language processing, class action certification, GIS and geospatial data, artificial intelligence, systems controls, data privacy, model analysis, LLM, Python, Java, neural networks, trade secrets, deepfake detection, computer vision, machine learning, SQL

Joe Sremack is a forensic technology expert with more than two decades of experience in complex data, software, and artificial intelligence analysis for high-stakes legal matters. As a Partner at Resolution Economics, he has served as consultant and testifying expert in over 500 engagements across state and federal courts, international arbitrations, and regulatory proceedings in numerous countries. Mr. Sremack is the author of AI Forensics: Investigation and Analysis of Artificial Intelligence Systems (Chapman & Hall, March 2026) and Big Data Forensics (Packt Publishing, 2015). He is a frequent speaker on AI forensics, source code analysis, and data analytics at legal and industry conferences. His technical expertise spans artificial intelligence system examination (including large language models, generative AI, and machine learning pipelines), deepfake and synthetic media authentication, proprietary source code analysis, advanced data analytics, and IT infrastructure assessment...

Edwards, Colorado

Telecommunications, Geotechnical Engineering - GPS, Cellular Forensics, Criminal Forensics, Mobile Location, Location-Based Services, LBS, Patents, Intellectual Property, Accident Reconstruction, Internet of Things, Data Privacy, Phone location, Cell phones, Telematics, Socia Media, IoT, Driverless, Wearables, Artificial Intelligence, Context

David H. Williams is an internationally-known expert in the wireless/mobile location field and President of E911-LBS Consulting. He specializes in mobile/wireless location forensics litigation services and Intellectual Property/patents involving location technologies such as Global Positioning Satellite (GPS) systems, Network-based location systems, IoT, Artificial Intelligence, Wireless 911 (E911), and Real-Time Location Systems (RTLS), plus many others. Mr. Williams has successfully provided expert witness services in well over 200 patent, criminal, civil, anti-trust, trade secrets, product liability, fraud, class-action, and ITC cases. His credentials in mobile location goes back to the early 1980s. He has testified successfully in (U.S.) federal district court and other venues 15 times and been deposed in over 76 matters. Mr. Williams is expert in the full range of location-based services (LBS) applications enabled by these location technologies, including safety, security, an...

Chicago, Illinois

Cybersecurity, Cryptocurrency - Cybersecurity, Incident Response, Cyber Investigations, Threat Intelligence, Digital Forensics, Data Privacy, Information Risk Management, Regulatory Compliance, Computers, Mergers and Acquisitions Cyber Due Diligence, Cryptocurrency Investigations, Ransomware, Insider Risk, Board Advisory, CISO, Data Breach, NIST, ISO, SEC Cyber

Luke Tenery is a Partner with StoneTurn who brings over 20 years of experience helping leading organizations mitigate complex cybersecurity, data privacy, and digital risks. He applies deep expertise in cyber investigations, threat intelligence, incident response, and information risk management to guide clients from prevention and detection through mitigation, remediation, and transformation. Luke specializes in situational cyber risk. He helps organizations across many industries align information security risk management with high-impact initiatives—incident remediation, M&A due diligence and integration, cyber cost analyses, digital transformation, and threat intelligence program development. He regularly advises public companies and their boards on digital risk and the remediation of complex cyber incidents, and has performed interim leadership (including interim CISO) functions for clients. Representative matters include: directing compliance-remediation validation for a glo...

Buffalo Grove, Illinois

Cybersecurity, Digital Forensics - Cybersecurity, Standard of Care, Pen Testing, Remediation, Expert Witness, Risk Management, Governance, Regulatory Audit, AI Governance, Cloud Security, Litigation Support, Infrastructure, M&A Integration, Due Dilligence, Data Privacy, Due Dilligence, Data Breach, Incident Response, Risk Mitigation, Compliance

PROFESSIONAL BIOGRAPHY I am a senior Cybersecurity and Project Management Consultant with 5 years of intensive, high-stakes experience securing, auditing, and remediating environments for Fortune 500 enterprises. My practice bridges the gap between complex technical infrastructure and corporate boardroom strategy, delivering evidence-based insights for legal counsel in litigation, due diligence, and regulatory proceedings. EXPERTISE & CORE COMPETENCIES My practice focuses on the technical "Standard of Care" in three critical areas: Cybersecurity Governance & Remediation: Extensive experience in large-scale cyberdefense and remediation for global organizations like United Airlines. I evaluate the effectiveness of security controls and pen-testing programs against industry benchmarks to identify gaps and failures. AI Governance & Cloud Security: Specialized experience in the architecture of AI-driven ecosystems and cloud-based infrastructures. I provide authoritative analysis on AI...

Union City, New Jersey

Cybersecurity, Information Technology - Technology Disputes, Data Breach, Computer Forensics, Hacking Investigations, Internet Fraud, Data Privacy, Information Security, Intellectual Property Theft, Cybercrime, Malware, Ransomware, Email Fraud, Social Engineering, Network Security, Cloud Security, IT Compliance, Ethical Hacking, Cyber Risk, Computer Systems, Firewalls

Seymour, Tennessee

Computers, Cybersecurity - Information Technology, IT, HIPAA, Privacy Act, NIST, Network Security, Data Breach, AI, Artificial Intelligence, Operating Systems, Data Privacy, Cloud Security, Malware, Ransomware, Data Recovery, ISO 27001, Cybersecurity Framework, Critical Infrastructure, Forensics, Contingency Planning

John Horst, CISSP®-ISSAP®, is the owner and Chief Technology Officer for Xanesti Technology Services, LLC. Current Information System Security Officer (ISSO) providing security engineering compliance consultation to the U.S. Department of War. Experience with major cybersecurity standards (e.g., National Institute of Standards and Technology, ISSO 27001, CIS). 28 years’ experience in software development, secure software architectures and coding, systems integration and testing, and user support. Experience evaluating emerging Artificial Intelligence technologies and compliance frameworks. Substantial expert witness case history across State (including Family Court) and Federal jurisdictions. Active speaker. Certified Information Security Systems Professional. Top Secret National Security Clearance. Patent-Holder. John has served in various information technology roles in the U.S. Defense Industrial Base for 20 years, including cybersecurity engineering, software development, inst...

Austin, Texas

Technology, Business Operations - Artificial Intelligence, Business Standards, Cybersecurity, Data Privacy, Digital Assets, Information Management, Software

Bristol, Vermont

HIPAA, Cybersecurity - Healthcare Data Breach, HIPAA Security, EHR System Failure, Ransomware, Remote Patient Monitoring, Medical Device Security, Healthcare SaaS, SOC 2 Compliance, Penetration Testing, Cloud Security AWS, Insurance Technology, Software Architecture, Data Privacy, IoT Security, AI Healthcare Systems, Technical Due Diligence, Healthcare

Jon Fenner is a technology executive with over 25 years of experience in healthcare systems architecture, cybersecurity, and enterprise software development. He specializes in healthcare data breaches, HIPAA security failures, EHR system integration, and insurance technology disputes. As CTO of Community Wellness, Mr. Fenner led the development of a Remote Patient Monitoring platform serving 100,000+ patients across 12 healthcare networks. He scaled the engineering team from 2 to 38 members, achieved SOC 2 compliance, and implemented EHR integrations with Epic, Meditech, and Cerner using HL7 and FHIR standards. Mr. Fenner served 11 years as Principal Infrastructure Architect at Guidewire Software, providing technical consulting to Fortune 500 insurance carriers including State Farm, Liberty Mutual, and QBE. His work included security analysis, penetration testing, and performance evaluation of customer-facing insurance applications. He holds a Certified Ethical Hacker (CEH) crede...