In the recent case of BDO USA, P.C. v. JSCO Enterprises, Inc., Delaware Superior Court 2025, the role of the International Marketing Expert Witness was pivotal in establishing the extent of reputational and economic harm suffered by the plaintiff, BDO USA, P.C., as a result of a targeted social media smear campaign.
Background and Parties
BDO USA, P.C., a prominent national accounting and advisory firm, initiated litigation against JSCO Enterprises, Inc. and its principal, Eric Jia-Sobota, following Jia-Sobota’s departure from BDO and the subsequent founding of a rival consulting firm, EverGlade. After failed settlement negotiations, BDO became the subject of a coordinated social media attack that disparaged the company and its leadership. BDO alleged that this campaign was orchestrated by the defendants to inflict reputational and economic damage, and sought both compensatory and punitive damages.
Role and Methods of the International Marketing Expert Witness
To substantiate its claims of brand harm and quantify damages, BDO retained Dr. Tülin Erdem, a marketing expert with extensive international credentials. Dr. Erdem’s testimony was central to BDO’s case, as she analyzed the impact of the smear campaign on BDO’s brand image and market position. Her methodology included:
– Reviewing the content, reach, and virality of the social media posts targeting BDO.
– Assessing the reputational harm through established marketing metrics, including brand sentiment analysis and consumer perception surveys.
– Evaluating the necessity and cost of BDO’s responsive marketing efforts, such as the creation of new marketing materials and the launch of targeted Google search campaigns to mitigate the negative publicity.
Dr. Erdem’s expert opinion linked the defendants’ conduct directly to measurable harm, including specific financial outlays by BDO to repair its brand and restore market confidence.
Daubert and Reliability Analysis
The court conducted a rigorous Daubert analysis to determine the admissibility and reliability of Dr. Erdem’s testimony. The defendants challenged the expert’s conclusions, arguing that the evidentiary basis for the claimed $640,000 in direct costs was insufficient. The court, however, found that Dr. Erdem’s methodology was sound and that her reliance on internal BDO communications and industry-standard marketing analytics was appropriate under Rule 702.
The court emphasized that, due to the defendants’ egregious acts of spoliation, traditional factfinding was impeded. In this context, the court accepted Dr. Erdem’s expert analysis as the best available evidence, noting that the defendants failed to meaningfully challenge the basis for her calculations or to present contrary expert testimony. The court further observed that Dr. Erdem’s approach—integrating qualitative and quantitative data to assess brand harm—was consistent with accepted practices in international marketing analysis.
Impact on the Outcome
Dr. Erdem’s testimony was instrumental in the court’s determination of special damages. The court credited her analysis in awarding BDO $640,000 in compensatory damages, representing the direct costs incurred in response to the smear campaign. The court’s opinion highlighted that the expert’s testimony filled critical gaps in the evidentiary record caused by the defendants’ spoliation, and that her conclusions were not meaningfully rebutted.
The court’s acceptance of the International Marketing Expert Witness’s testimony underscores the increasing importance of marketing expertise in complex commercial litigation, particularly where reputational harm and brand value are at issue. The case demonstrates that courts will rely on well-founded expert analysis to quantify damages and assess causation, especially when traditional evidence is unavailable due to the opposing party’s misconduct.
This decision affirms the central role of the International Marketing Expert Witness in bridging the gap between qualitative reputational harm and quantifiable economic damages, setting a clear precedent for future cases involving brand injury and international market dynamics.
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