Expert Services

Providing expert witness and 30(b)(6) representative services to law firms and corporate and government counsel in support of high-stakes litigation, transactional, and regulatory matters.

2026 Chambers Ranked in Litigation Support | History Associates badge
For over 45 years, HAI has helped law firms, corporations, and government agencies uncover the historical facts in support of complex litigation. Our experts deliver clear, defensible research grounded in verifiable sources, from site histories and state-of-knowledge investigations to product liability and corporate genealogy research.
Talk to a Litigation Research Expert

History Associates’ Litigation Support team has completed more than 1,500 historical research investigations. We have extensive experience delivering perspective and insight in support of the most complex legal matters, and our legal clients count on us with confidence.

History Associates is a nationally recognized research and analysis consultancy. We provide expert witness service for federal and state court proceedings, across an array of subject matters and fields. Our multidisciplinary staff provides a wide-range of experience and expertise.

Since 1981, our PhD and MA-degreed historians and subject-matter experts have served as consulting experts and corporate representatives under Federal Rule of Civil Procedure 30(b)(6). We offer historical analysis and subject-matter expertise on various topics.

History Associates’ Expert Witness services include:

  • CERCLA cost recovery
  • Land, water, and boundary disputes
  • Site use histories
  • State-of-knowledge investigations
  • Corporate genealogy and succession matters
  • Asbestos/toxic tort claims

Our experts and Rule 30(b)(6) representatives meet the highest professional standards to ensure reliable support throughout litigation. Our multidisciplinary staff’s broad topical knowledge and technical expertise help address the needs of complex cases. We routinely collaborate with experts from other disciplines to strengthen our case approach. Our Litigation Support team can prepare compelling demonstrative evidence to clarify complex data and arguments. This includes interactive GIS maps, site overlays, and other visuals tailored for trial, mediation, and settlement negotiations.

In addition to providing trial and mediation testimony, our in-house experts help draft regulatory filings to meet legal requirements, assist in preparing pretrial motions and discovery requests to strengthen your case, authenticate documents in compliance with the Federal Rules of Evidence, and organize and analyze historical materials from opposing parties, experts, and eyewitnesses to uncover key insights.

Let us be your litigation support solution.

Jason H. Gart, PhD

Jason H. Gart

Vice President

JGart@historyassociates.com
301.279.9697

Kim Silvi

Kim Silvi

Senior Manager

ksilvi@historyassociates.com
301.279.9697

Interested in learning more about our professional services or scheduling a consultative call?

We take the time to listen and help you make smart decisions that best meet your needs.

HAI | History Associates Incorporated color logo
History Associates Incorporated is the proven partner organizations turn to for archival services, historical research, and litigation support services when they need to preserve, interpret, and activate their history and heritage. 
We’ve collaborated with thousands of corporate, legal, and government organizations.

45+ Years of Litigation Experience

Supporting law firms, corporations, and government agencies nationwide.

Thousands of Legal Matters Supported

We provide critical research and expert services in complex and high-stakes litigation, transactional, and regulatory matters.
Chambers Recognized Experts

Historians, researchers, archivists, and subject‑matter experts with deep experience, respected credentials, and proven value delivery.

Defensible, Court-Ready Research

Trusted in federal, state, and administrative proceedings.

Why Legal Teams Trust HAI

  • Defensible Research, Delivered Clearly: We turn complex historical evidence into clear, litigation‑ready findings.
  • Sought After Across Industries
    Our client base includes aerospace, defense, energy, transportation, insurance, financial services firms, as well as numerous other industries.
  • Discreet Researchers
    We can be relied on to work on the most sensitive legal cases.
  • Access to Hard to Find Sources
    We travel across the globe to find dispositive records in a wide variety of archives, libraries, government offices, and private collections.
  • Expert Witnesses, You Can Rely On
    Our experts provide insight, rigor, and clarity to the most challenging research questions.
2026 Chambers Ranked in Litigation Support | History Associates badge
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