LtCol Gary S. Barthel USMC (Ret)

Military Expert Witness
and Trial Consultant

Bridging the Gap Between Military & Civilian Justice –
Unparalleled Expertise / Proven Record

Hire the Leading Military Law Expert Witness and Consultant for Your Case

Gary S. Barthel offers nearly 40 years of distinguished military service and legal expertise. Having served as an enlisted Marine and a Marine officer, he is a nationally recognized authority in military law, he provides unparalleled support for complex cases involving military law as it pertains to both enlisted service members and officers. His extensive experience not only spans all ranks, but all branches of the military, allowing him to deliver clear, well-reasoned analysis and expert testimony.

Having a case that involves military issues can be intricate and challenging for civilian attorneys. Gary Barthel combines his nearly 40 years of experience in military law and his practice in the civilian courts to bridge the gaps between the military system and the civilian legal system by providing the insights and credibility necessary to achieve the best outcomes for your clients.

Gary S Barthel Expert Military Witness

“excellent demeanor, aggressive when needed, compassionate when warranted.” – Chief Military Judge

Strategic Expertise for Complex Military Law Challenges

When dealing with complex military law issues, you need an expert who combines unmatched experience with a strategic approach. Gary Barthel offers a proven track record of delivering precise and impactful guidance on a wide range of military matters. His extensive knowledge of military regulations and commitment to excellence empower organizations to achieve optimal outcomes, regardless of the case’s complexity.

Gary’s expertise will elevate your case:

Expert analysis and quantification of financial losses due to military service.
Gary’s extensive experience with military medical boards and the VA disability system gives him the knowledge and experience to provide you with in-depth guidance and leverage on these issues and how they may impact your case.
Detailed interpretation of military records, providing essential insights for legal issues related to the future of a service member’s career, promotion and retirement..
Thorough reviews of military records to support wrongful death and personal injury claims involving service members.
Gary will provide you with advice on additional military evidence you may need to support your case and where and how to get that additional evidence.

Why Gary Barthel?

Gary Barthel stands out as a superior choice for military law expertise:

Detailed interpretation of military records, providing essential insights for legal contexts.

Successfully handled numerous cases across all military branches, known for delivering credible and impactful analysis.
Extensive knowledge in military pay, benefits, medical evaluations, and legal procedures, ensuring comprehensive support for complex cases.
His expert opinions are highly regarded by peers and have a significant influence in legal proceedings.
Choose Gary Barthel for unmatched expertise and a strategic advantage in your cases.

Trusted Results:
Unwavering Commitment to Case Success

Gary Barthel employs a proven, multi-phased approach to ensure all relevant factors are meticulously evaluated and presented with clarity and credibility:

Phase 1:
In-depth Discovery

Meticulously analyze all relevant military records and documentation.

Assess the service member’s potential career trajectory using Barthel’s extensive experience and knowledge of military regulations and administrative procedures.

Phase 2:
Quantifying Military Economic Loss

Quantify any economic losses, including potential lost earnings, benefits, and retirement impacts using established methodologies.

Phase 3:
Expert Witness Collaboration and Trial Preparation

Work closely with attorneys to ensure a clear understanding of the case and effectively translate complex military concepts.

Assist with trial preparation, witness examinations, and delivering testimony with clarity and credibility.

This structured approach, combined with Barthel’s unparalleled expertise and unwavering commitment, empowers attorneys to confidently present their cases and achieve the best possible outcomes for their clients.

Contact Military Expert, Gary S. Barthel

Gary Barthel provides trusted military expert witness services to legal teams across the U.S., including deposition support, trial testimony, and expert consulting. Based in San Diego, available nationwide.

As Seen On:

Trusted by Attorneys, Producers and Journalists

As an advisor, Gary’s expertise has supported high-profile legal matters, national news coverage, and major production teams.