How to choose a credit reporting expert witness
The right credit expert can carry class certification and damages. The wrong one becomes the other side's best exhibit. Here is what to check, whoever you retain.
Four kinds of credit experts
Most credit reporting expert witnesses come from one of four backgrounds. Each brings something real, and each has something to check.
Former industry employees
People who worked at credit bureaus, scoring companies, or lenders, often now quoted in the press.
Brings: First-hand familiarity with how the industry operates and talks about itself.
Check: What their roles actually were: building models and analyzing data, or sales and account management. What any industry certification actually required. And what they have said in public.
Consumer advocates and privacy writers
Long-time commentators on credit reporting and privacy, often with congressional testimony.
Brings: Deep familiarity with the FCRA's history and the consumer side of the system.
Check: Whether courts have limited the scope of their testimony, whether they have a quantitative method for damages, and whether their advocacy can be framed as bias.
Operations specialists
Experts in Metro 2 reporting, e-OSCAR, and dispute processing.
Brings: Detailed knowledge of data formats and dispute workflows.
Check: Whether they can connect a data error to a score, a credit decision, and damages, and analyze a class rather than one file.
Lending and underwriting specialists
Former underwriters and lending consultants who review loan files.
Brings: Experience with how individual credit decisions are made.
Check: Whether they can re-score a file with the models lenders actually use, measure harm across a class rather than one loan, and show a method the other side can replicate.
Questions to ask before you retain an expert
Ask these of any expert you are considering.
- 01
Does their expertise match the issue in your case?
Credit cases turn on different questions: reporting accuracy, scoring, damages, class certification. An expert strong on one may be thin on another.
- 02
Has their testimony ever been challenged or excluded under Daubert or Frye?
A prior challenge or exclusion is the first thing opposing counsel will raise.
- 03
How much testimony experience do they have?
Research credentials help only if the expert holds up in deposition and at trial.
- 04
How much of their income comes from testifying?
Judges and juries discount professional witnesses whose main business is testifying. A hired gun is easy to impeach.
- 05
Can they explain credit data to a judge or jury?
Credit files, scoring models, and dispute codes mean nothing to a jury until someone makes them clear.
- 06
Have you checked their CV and background?
Opposing counsel will compare the CV with old bios, professional profiles, and prior testimony, and look for lawsuits, liens, and ethics complaints. A role described more impressively than it was is an impeachment point.
- 07
Have you read their prior testimony and everything they have said publicly?
Transcripts, blog posts, interviews, and press quotes are fair game on cross-examination. Statements that contradict the opinion undercut it.
- 08
Have they published empirical research on credit reporting or scoring?
Research that others have reviewed and relied on is hard to attack as made for litigation.
- 09
Can they re-score a credit file?
Damages and standing often turn on whether an error actually changed a score, an approval, or a price.
- 10
Can the other side replicate their method?
A method no one else can reproduce invites a Daubert motion.
- 11
Have they worked inside a consumer reporting agency?
Knowing what reasonable procedures look like in practice is stronger than describing them from outside.
- 12
Have they been retained by both sides?
An expert who only ever works for one side is easier to paint as an advocate.
How do I choose a credit reporting expert witness?
Match the expert to the issue in your case (reporting accuracy, scoring, damages, or class certification). Check their testimony record and any Daubert or Frye history, how much of their income comes from testifying, and whether they can explain credit data to a jury. Verify their CV and background, read their prior testimony and public statements, and confirm they can re-score credit files and analyze a class. Experts with published research on credit reporting, experience inside a consumer reporting agency, and retentions on both sides are harder to attack.
What kinds of credit expert witnesses are there?
Most come from one of four backgrounds: former credit bureau, scoring-company, or lender employees; consumer advocates and privacy writers; operations specialists in Metro 2 and e-OSCAR; and lending and underwriting specialists. Each brings something different, and each has different weaknesses to check before you retain them.
Should I check an expert witness's CV before retaining them?
Yes. Opposing counsel will compare the CV with old bios, professional profiles, and prior testimony, and will ask about job titles and roles at deposition. Any gap between the CV and the record becomes an impeachment point.
Why does it matter whether a credit expert can re-score a file?
In FCRA cases, damages and standing often depend on whether a reporting error changed a consumer's score, a credit decision, or the price of credit. An expert who can re-score the file with and without the disputed item can show that directly.
How we answer these questions
Most credit experts bring one of these backgrounds. We bring all four. We run a consumer reporting agency, and Congress adopted all seven of our 2003 recommendations into FACTA. We work at the level of individual Metro 2 fields and e-OSCAR dispute codes, and we can re-score a file with reverse-engineered FICO and VantageScore models to show exactly what an error changed. All of it rests on research that Congress, regulators, and courts have relied on, and on Dr. Turner's record of 47 matters without a single Daubert challenge.
- Matching expertise
- Our work covers consumer credit end to end: credit reporting and the FCRA, credit scoring and underwriting, credit damages, data breaches, consumer lending regulation, and FDCPA, TCPA, and CROA claims. Each practice page lists the questions we are retained to answer.
- Daubert and Frye
- Dr. Turner has never been subject to a Daubert challenge.
- Testimony experience
- We have been retained in 47 matters since 2001. Dr. Turner has been deposed 16 times, testified at 13 arbitration hearings, and given trial testimony in federal court in Maine and Vermont.
- Testifying vs. other work
- Testifying is a small part of our work, and we choose matters carefully. We run a research organization and a consumer reporting agency. The 47 matters we have taken since 2001 include CFPB v. Experian, Corona v. Sony Pictures, and IMS Health v. Sorrell, which became a Supreme Court precedent.
- Explaining to a jury
- Dr. Turner has testified five times before the House Financial Services Committee and its subcommittees, and Patrick Walker taught econometrics at Duke. We have spent our careers explaining credit data to people who are not specialists.
- CV, background, and conflicts
- Our full CVs are available on request, along with a list of prior retentions for your conflict check.
- Prior testimony and public record
- Our public record is mostly published research and congressional testimony, plus a few op-eds and interviews. We will send you all of it.
- Published research
- Our studies of credit report accuracy, disputes, alternative data, and scoring have been relied on by Congress, federal regulators, and courts.
- Re-scoring files
- We have built production-grade scorecards and reverse-engineered the FICO and VantageScore models to do exactly that.
- Replicable methods
- We document our data, assumptions, and methods so an opposing expert can reproduce our results.
- Inside a consumer reporting agency
- We co-founded and run Verify4, a consumer reporting agency.
- Retained by both sides
- We have been retained by consumer reporting agencies, banks, and lenders, and by plaintiffs, the CFPB, and the California Department of Justice.
Bring us in early.
The most consequential credit matters turn on how scores and reports actually work. Tell us about yours.
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