Expert Witness Testimony

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Testimonial

We operate four statutory entities and run a very broad range of products. The actuaries at Lewis and Ellis have the expertise to cover all or our lines of business as well as product development, rate work, regulatory, and financial reporting. With Lewis and Ellis we don’t need to go anywhere else for actuarial services. L&E is always responsive, professional, and competent, which is everything we need from our professionals.

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Lewis & Ellis stands as a trusted authority for expert witness testimony in the insurance industry. Our vast knowledge and reputation for impartial, independent advice lend credibility and clarity to our clients’ legal positions. This is critical because our clients deserve the best expert witness for each situation to provide important insights, detailed evaluation, and courtroom-defensible testimony to help their case and achieve the outcome they’re looking for.

Our actuaries distill even the most intricate matters into their fundamental elements. We apply our skills, knowledge, and experience to deliver solutions, focusing on the identification, evaluation, and quantification of economic risk — a cornerstone of actuarial science.

If you require actuarial expertise to support litigation or arbitration, Lewis & Ellis offers impartial, evidence-based support.

Who We Serve

At Lewis & Ellis, we partner with a wide range of legal and regulatory professionals who rely on objective, data-driven actuarial insight to resolve complex disputes. Our expert witness services are tailored to support the unique needs of each stakeholder involved in litigation, arbitration, mediation, or administrative proceedings. Whether testifying in court or providing behind-the-scenes analysis, our actuaries deliver clarity, credibility, and technical precision.

Attorneys

We assist legal counsel by providing detailed actuarial evaluations, expert reports, and courtroom testimony that help translate complex financial and insurance issues into clear, persuasive arguments. Our support is frequently sought in cases involving class actions, reinsurance disputes, insurer solvency, rate litigation, and loss quantification.

Courts

Our impartial, evidence-based conclusions help judges and court personnel make informed decisions in cases involving economic damages, insurance valuation, and actuarial projections. Our testimony aligns with industry standards and actuarial best practices, ensuring defensibility under cross-examination.

Arbitrators

In arbitration settings, we offer clear, independent expert analysis that cuts through financial complexity. Our modeling and valuation expertise supports fair resolution in disputes centered on reinsurance contracts, provider payments, or risk adjustment calculations.

Mediators

Mediators often rely on our balanced, actuarially sound insights to clarify the financial implications of competing claims. By presenting neutral evaluations of risk and loss, we help parties move toward equitable and informed settlement discussions.

Hearing Officers

In regulatory and administrative proceedings, our actuarial reports and testimony help clarify technical insurance and financial issues. We provide projections, rate assessments, and benefit valuations that are essential for compliance determinations and fair adjudication.

“Tanner LC counts on Lewis & Ellis to provide actuarial expertise to support our audit work. We are extremely pleased with their professional and timely assistance.”
- Darin Leonard, Audit Director, Tanner LC

Our Areas of Expertise

At Lewis & Ellis, our actuaries adhere to the Actuarial Standards of Practice and maintain rigorous professional qualifications and ethical standards. We are committed to delivering objective, transparent, and high-quality work — acting with honesty, competence, and integrity in every engagement. To preserve impartiality, we maintain consistent fee structures and do not accept contingency-based compensation for expert witness services.

As experts in the insurance and financial services industries, we provide critical actuarial support in a wide range of legal matters. Our team brings experience across a broad array of litigation, regulatory, and arbitration settings. Representative areas of testimony include:

Economic Damages & Loss Valuation

Calculation of lost earnings following death, disability, or personal injury
Present value of future economic damages
Valuation of structured settlements and class action settlements
Analysis of pension and retirement benefits in divorce proceedings

Insurance Company & Agency Valuation

Valuation of insurance companies, agencies, or books of business
Assessment of reinsurance agreements and liabilities
Impact of tort liability decisions or regulatory changes on insurer costs
Review of rating agency considerations

Healthcare & Provider Disputes

Evaluation of provider reimbursement methodologies
Review of rate adequacy and pricing practices
Analysis of employer/group benefit rating and accounting
Actuarial support in disputes involving PBM pricing, network adequacy, or benefit design

Regulatory & Government Matters

Expert analysis for governmental agencies or regulatory hearings
Support in insurer solvency reviews and compliance disputes
Litigation support involving ACA-related issues and risk adjustment
Valuation in disputes involving public pension systems or municipal insurance obligations

Trusted Experts in Witness Testimony

At Lewis & Ellis, we provide reputable actuarial expertise, delivering trusted expert witness testimony across a range of insurance industry cases. Our unwavering commitment to integrity, transparency, and professionalism ensures we meet rigorous ethical and quality standards.

When you work with us, you benefit from decades of actuarial litigation support experience. And it’s not just about preparing you for deposition or trial and providing litigation support; it’s also about empowering you and your team to deliver a next-level performance when it matters most.

Want to take advantage of our actuarial expertise and extensive experience? Contact us to see the benefits of working with an actuary consulting expert from Lewis & Ellis.

Witness Testimony FAQs

How does an actuary expert witness assess risk in legal matters?

An actuary legal expert can help you in several key areas, building up your defense with risk-specific insights. They do this by mathematically quantifying financial risks and accurately projecting future liabilities that could impact your company. They can also look at past data and events to pinpoint trends and patterns to determine the likelihood of different outcomes and their associated financial consequences.

The risk assessment process typically includes:

Evaluating exposure: Identifying the specific types of financial risk relevant to the case — such as future liabilities, loss of earnings, or the likelihood of an insurance claim payout.
Analyzing historical data: Examining trends and statistical indicators to forecast potential outcomes and their likelihood of occurrence.
Modeling scenarios: Using mathematical and statistical models to simulate different events and their potential financial consequences under various conditions.
Quantifying uncertainty: Assigning financial value to the degree of risk, which can support or dispute damage claims, loss estimates, or liability projections.

With this information gathered, an actuarial expert witness will prepare detailed reports outlining the risk models used for research, their findings, and the conclusions and recommendations for the specific case. These reports are crafted to be court-ready and understandable to non-technical audiences, including judges and juries.

What is the value of expert witness testimony services?

Expert witness testimony’s value is often critical to achieving favorable outcomes.. Without an actuarial science expert vouching for and explaining financial risks in the client’s specific field or industry, legal proceedings operate without all the necessary details. This is mainly due to this professional’s ability to simplify complex issues into terms that make sense to all parties involved, including the jurors determining the outcome of a case.

On top of that, expert witness testimony services provide companies with more credibility, providing the case with insights from a reputable professional and adding weight and persuasion to a legal argument.

How do you qualify expert witnesses?

An expert witness can’t testify in court without being properly qualified through the voir dire process. This process is a separate hearing that decides if evidence is admissible in a trial. For an expert witness, this includes both a direct examination by the person offering the witness as an expert and a cross-examination to determine whether they’re qualified to provide evidence.

This professional hoping to serve as the expert witness must show they are competent in the relevant subject matter, have practical skills and techniques related to the field, have built their working experience in the field for a substantial period of time, and have formal training in a specific area.