A dram shop expert witness is a qualified professional retained by attorneys to provide opinions and testimony on the standard of care that licensed alcohol-serving establishments are required to meet. In cases involving bars, restaurants, nightclubs, hotel bars, event venues, and any other entity holding a liquor license, the central question is almost always operational: did this establishment manage its alcohol service, its staff, and its premises in the way a reasonable operator in this industry is required to? That is not a question a jury can answer on its own. It requires someone who has actually managed these environments from the inside.
Dram shop litigation, liquor liability claims, and the bar security and negligent security matters that frequently accompany them turn on facts that fall outside ordinary legal knowledge. What does visible intoxication actually look like across a range of patron types in a high-volume venue at 11 p.m.? What does a properly documented incident response procedure require of a manager on duty? What point-of-sale records should exist, and what do they tell you about service patterns on the night in question? These are not abstract standards. They are operational realities that only an expert who has lived them can explain credibly to a jury.
Ryan Dahlstrom has operated in the hospitality and entertainment industry for 35 years — managing bars, training staff, running security operations, and bearing direct personal responsibility for the decisions that define whether a venue meets its duty of care or falls below it. His opinions are built on that experience, and that is what makes them durable under cross-examination.
35+ Years in Hospitality Operations
Currently Accepting Cases Nationwide
Plaintiff and Defense
Dram Shop, Liquor Liability, Bar Security, Negligent Security
Ryan Dahlstrom brings a background that no academic credential can replicate. Over 35 years he has managed high-volume bars and nightclubs, trained bartenders and security personnel, developed alcohol service policies and procedures, and consulted on the operational standards that define responsible beverage service in licensed venues. He has reconstructed intoxication timelines from point-of-sale records and surveillance footage, evaluated staffing and training documentation, and produced expert reports and testimony that withstand aggressive cross-examination because every opinion is grounded in direct operational experience — not research conducted at a distance from the environments at issue.
He works with both plaintiff and defense counsel, providing the same standard of rigorous, evidence-based analysis regardless of which side retains him. His engagement typically begins before the complaint is filed or the defense strategy is set, allowing counsel to understand the operational strengths and gaps in a case before significant resources are committed in either direction.
Ryan Dahlstrom provides expert witness services in the following categories of cases. Each engagement is evaluated individually based on the facts, the jurisdiction, and the specific standard of care at issue.
Cases involving the service of alcohol to a visibly intoxicated patron who subsequently causes harm to themselves or a third party. Ryan evaluates the service practices, training documentation, management oversight, and point-of-sale records to determine whether the establishment met or fell below the applicable standard of care under state dram shop law.
Broader alcohol-related liability matters including over-service claims, policy and procedure failures, inadequate intoxication management protocols, and compliance failures with state and local liquor regulations. Ryan reviews the full operational picture of the venue, not just the service event in isolation.
Cases where a bar, nightclub, or event venue failed to provide adequate security and a patron was injured or killed as a result. Ryan evaluates security staffing levels, use-of-force policies, incident documentation, access control practices, and whether the venue's security operation met the standard expected of a reasonably managed establishment in that market.
Premises liability and general negligence claims involving bar or nightclub operations where the question is whether management, staffing, training, or policy failures created or contributed to foreseeable harm. Ryan addresses the operational standard of care across the full range of hospitality venue types including hotel bars, resort venues, event spaces, and high-volume nightclubs.
High-stakes matters where the severity of the harm demands rigorous, credible expert analysis. Ryan provides the operational foundation that supports or refutes the liability theory and ensures that the jury understands what a properly run establishment would have done differently.
Ryan Dahlstrom provides litigation support from the earliest stage of case evaluation through trial. The scope of engagement is determined by the needs of counsel and the facts of the case.
There is a category of expert witness in dram shop and liquor liability litigation that plaintiff and defense attorneys encounter regularly and should evaluate carefully before retention. These are experts whose qualifications rest primarily on academic study of alcohol service standards, regulatory frameworks, and training literature. They can describe what the standards say. They can produce reports that cite the correct regulations. But they have never managed a bar, trained a bartender, run a nightclub security operation, or been personally responsible for what happens in a licensed venue when something goes wrong at 2 a.m. on a Saturday night.
The gap between reading the standards and having applied them under real conditions is where opposing counsel focuses its cross-examination. The questions are direct: Have you ever managed a bar? Have you ever been the person responsible for training staff to identify visible intoxication? Have you ever made the call on whether a patron should be cut off or removed from the premises? When the answers are no, the jury draws its own conclusions about how much weight to give that expert’s opinion.
Ryan Dahlstrom can answer yes to every one of those questions across 35 years of operational involvement in the hospitality and entertainment industry. That is not a credential on paper. It is direct, firsthand experience in the exact environments these cases are about, and it is the foundation every opinion he provides is built on.
When evaluating a dram shop expert witness for a liquor liability or bar security matter, the following questions will quickly distinguish operational expertise from academic familiarity.
Ryan Dahlstrom answers all of these questions directly and without qualification. His availability, case history, and the basis for every opinion he provides are fully transparent from the first consultation.
Ryan Dahlstrom provides dram shop expert witness services to plaintiff and defense attorneys in all 50 states. Each state has its own dram shop statute, liability framework, and applicable standard of care. Ryan's analysis accounts for the specific statutory and regulatory requirements of the jurisdiction where the case is pending, not a generalized national standard applied uniformly regardless of local law. Cases handled in states including Florida, Nevada, Texas, California, New York, Illinois, Georgia, Arizona, Ohio, Pennsylvania, and all other jurisdictions. Contact Ryan directly to discuss the specific requirements of your state and the facts of your case.
A dram shop expert witness provides opinions and testimony on the standard of care that licensed alcohol-serving establishments are required to meet. In practice, this means reviewing the operational evidence in a case. Including service records, training documentation, surveillance footage, staffing records, and incident reports and forming an expert opinion on whether the establishment met or fell below the applicable standard. That opinion is expressed in a written expert report and, when the case proceeds, defended under deposition and trial cross-examination.
Dram shop refers specifically to the statutory framework in a given state that defines when an alcohol-serving establishment can be held liable for harm caused by an intoxicated patron. Liquor liability is a broader term that encompasses both dram shop statutory claims and common law negligence claims arising from the service of alcohol. In most cases involving a bar, restaurant, or nightclub, both theories are present and the expert witness analysis addresses the standard of care applicable under both.
The earlier the better. Retaining a dram shop expert witness before the complaint is filed allows the expert to shape the factual investigation, identify the most important records to request in discovery, and assess the operational viability of the liability or defense theory before the case strategy is set. Waiting until the eve of trial to retain an expert produces a narrower, less useful engagement. Most experienced dram shop attorneys retain their expert at or near the same time they are evaluating whether to take the case.
Both. Ryan Dahlstrom is retained by plaintiff and defense counsel on the same terms and provides the same standard of rigorous, evidence-based analysis regardless of which side retains him. The opinion follows the evidence, not the side writing the check. Attorneys on both sides retain him because they know the opinion they receive is defensible and will hold up under cross-examination.
Fees are structured on an hourly basis for case evaluation, records review, consultation, and report preparation, with a separate rate for deposition and trial testimony. Specific rates and retainer requirements are discussed during the initial consultation. Travel is billed at cost. Contact Ryan directly to discuss fees for your specific matter.
The specific records reviewed depend on what is available in a given case, but the most probative materials typically include: point-of-sale records and bartender tabs for the night in question, surveillance footage from the venue, incident reports and security logs, staff training records and certifications, alcohol service policies and procedures, staffing schedules, witness statements and deposition transcripts, and any prior incident history at the venue. Ryan advises counsel on which records to request in discovery based on the specific facts and liability theory in each case.
Visible intoxication is the observable behavioral and physical presentation of alcohol impairment that a trained alcohol server is required to recognize and respond to. In most states, the dram shop statute imposes liability when an establishment serves alcohol to a person who is visibly intoxicated, meaning that the signs of impairment were observable to a reasonably trained server. The question of what visible intoxication looks like in a real venue across different patron types, noise levels, lighting conditions, and service volumes is exactly the kind of operational question that requires an expert who has actually managed these environments.
Ryan Dahlstrom is currently accepting dram shop, liquor liability, and bar security cases for both plaintiff and defense counsel nationwide. Initial consultations are confidential and provided at no charge.
(702) 696-8745
ryan@expertwitness.co
Available Monday through Friday, 8:00 a.m. to 6:00 p.m. Pacific. Urgent matters accommodated.
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