Expert Witness Services

When AI is the issue, credentials matter.

Jake Rebo brings real enterprise AI governance experience to the stand: 85+ use cases reviewed, 20+ large language models approved, and direct authorship of AI governance frameworks at a global technology company. Not an academic. An operator who knows how these systems actually work.

Practice Areas

Where AI and the law collide

Cullis AI expert witness engagements focus on the intersection of artificial intelligence and legal practice: the precise area where most attorneys lack deep technical grounding and where the stakes are highest.

AI Malpractice

Standard of care analysis for attorney AI use, including competence obligations, verification duties, and supervision responsibilities under Rules 1.1, 5.1, and 5.3.

  • Attorney AI use standard of care
  • Duty to verify AI-generated outputs
  • Hallucination and citation failure cases
  • Supervisory obligations over AI tools

Privilege & Confidentiality

Attorney-client privilege waiver through consumer AI platform use, Rule 1.6 confidentiality obligations, and data handling analysis under cloud AI terms of service.

  • Consumer AI privilege waiver
  • Cloud AI terms of service analysis
  • DPA adequacy and data handling standards
  • Work product protection in AI workflows

Disciplinary Proceedings

Rule 1.1 competence obligations regarding AI tools, analysis of attorney conduct against current bar guidance and ABA Formal Opinion 512, and regulatory standard of care.

  • ABA Formal Opinion 512 (July 2024) analysis
  • State bar AI ethics guidance review
  • Competence standard evaluation
  • Comparative practice analysis

Evidence Authentication

AI-generated evidence reliability, deepfake and synthetic media identification, chain of custody for AI outputs, and admissibility analysis under FRE 901 and related standards.

  • AI-generated document and image analysis
  • Deepfake and synthetic media detection
  • Chain of custody for AI outputs
  • Model reliability and output reproducibility

Enterprise AI Governance

Enterprise AI deployment standards, vendor evaluation methodology, organizational AI policy adequacy, and compliance with emerging regulatory frameworks including the EU AI Act.

  • Enterprise AI policy adequacy review
  • Vendor evaluation and procurement standards
  • EU AI Act and regulatory compliance
  • Organizational AI risk frameworks

Not sure if it fits?

AI in litigation is a rapidly evolving area. If your matter involves artificial intelligence in any capacity, as a tool used by counsel, as evidence, or as subject matter, reach out. Jake will assess whether expert witness support is appropriate.

Discuss your matter
Engagement Process

A structured path with a built-in decision point

Every engagement is phased to protect retaining counsel. You evaluate the expert's professional opinion before committing to the higher-rate drafting and testimony phases. No surprises.

1
Phase 1
Initial Consultation
Jake reviews the matter, assesses materials, identifies the core technical and legal issues, and forms preliminary professional opinions. This phase establishes whether the matter is one where expert testimony will be useful and what positions the evidence supports.
Consultation Rate
2
Phase 2
Outline Presentation
Jake presents findings and the proposed report structure to retaining counsel, including the professional opinion he will offer. Counsel has full visibility into the expert's positions before any report is drafted.
Consultation Rate
Decision Point - Proceed or Terminate
After the outline presentation, retaining counsel decides whether to proceed to the drafting and testimony phases. Termination at this stage requires only payment of fees incurred. Counsel agrees not to use Jake's opinions or proprietary analysis if terminating.
3
Phase 3
Report Drafting
Jake drafts the formal expert report based on the approved outline and professional opinion. The report is structured to satisfy FRE 702 and Daubert requirements, with full disclosure of methodology, data relied upon, and opinions offered.
Drafting Rate
4
Phase 4
Testimony Preparation
Preparation sessions with retaining counsel covering anticipated cross-examination, technical framing for a lay jury or bench, and coordination on demonstrative exhibits. Jake prepares to explain complex AI concepts in plain language without losing precision.
Drafting Rate
5
Phase 5
Live Testimony
Deposition or trial testimony. Jake testifies to his professional opinions clearly and defends them under cross-examination. His background in military leadership, legal operations, and enterprise AI governance provides the depth and credibility that AI matters demand.
Testimony Rate
Credentials & Background

The record behind the testimony

A decade of enterprise AI governance, fifteen years of Army leadership, a JD/MBA, and the AIGP credential. Not theoretical expertise. Operational expertise.

Jake Rebo's expert witness credentials reflect a deliberate triangulation: the legal foundation to understand the courtroom, the operational record to speak with authority about how AI actually behaves in regulated enterprises, and the military discipline to deliver testimony that holds up under cross-examination.

Legal & Business Education
  • Juris Doctor (JD) / Master of Business Administration (MBA)Dual-degree program
  • AIGP CertifiedIAPP Certified AI Governance Professional, the leading global AI governance credential
  • Six Sigma Master Black BeltVillanova University, certificate VIL012091
Enterprise AI Governance Experience
  • Co-authored AI Coding Rules of EngagementNokia, enterprise AI standard
  • Approved 20+ LLMs against enterprise AI standardsNokia AISH platform
  • Co-authored Infinera AI Use PolicyEnterprise AI governance framework
  • Led Ironclad CLM implementationInfinera, legal operations transformation
Military Service
  • 15 years U.S. Army Active DutyRetired at rank of Captain
  • Bronze Star MedalAfghanistan, 2012
  • Combat Action BadgeTwo combat tours in Iraq, 500+ combat missions
  • Honorable Order of Saint ChristopherInducted for service in Afghanistan
85+
Enterprise AI Use Cases Reviewed
Direct involvement in the screening, evaluation, and approval of AI deployments at a global technology company, spanning generative AI, classification, retrieval, and agent systems.
20+
Large Language Models Approved
Hands-on evaluation of foundation models against enterprise AI standards, including security review, data handling, license terms, and operational risk.
24
CLE Sessions Authored
Full library covering attorney-client privilege, work product, Shadow AI, EU AI Act, deployment tiers, the billable hour, expert witnesses, depositions, and more.
Engage Cullis AI

Discuss your matter

Initial consultation calls are confidential and conflict-checked before discussion of specifics. Reach out to begin the engagement process.

Contact Jake Email Directly