Securities Expert’s Advanced Calculations Found to Aid Jury’s Understanding in Hedge Fund Dispute

ByZach Barreto

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Updated onFebruary 23, 2021

Securities Expert’s Advanced Calculations Found to Aid Jury’s Understanding in Hedge Fund Dispute

Court: United States District Court for the Southern District of New YorkJurisdiction: FederalCase Name: McBeth v. PorgesCitation: 2018 U.S. Dist. LEXIS 195094

In this financial dispute case, the defendant hedge fund challenged the qualifications of the plaintiff’s securities expert witness. The court, however, determined the expert’s overall securities experience permitted him to opine across industry issues. The expert was permitted to present advanced mathematical conclusions and explain his methodology for the benefit of the jury’s understanding of this complex financial matter.

The expert’s testimony, however, was excluded in part for presenting legal conclusions. Despite the expert’s robust industry experience, the court had to step in as gatekeeper to prohibit unsubstantiated conclusions that could have improperly impacted the jury.

Facts

This case involved a financial dispute between an investor plaintiff and a hedge fund defendant. The plaintiff invested $5 million in the defendant’s hedge fund after consultation with one of the defendant’s employees. This included sharing marketing materials and an audit report of the defendant’s past investment success. Within 10 months of the plaintiff’s investment, the fund lost all its money. Following several meetings with the defendant, in which they reportedly agreed to refund the lost money, the plaintiff was repaid only $200,000. In response, the plaintiff filed a suit against the defendant and retained a securities expert witness to help support their case.

The Plaintiff’s Securities Expert Witness

The plaintiff’s securities expert witness was a nationally recognized expert in the mutual fund industry. He currently worked as a Principal at Securities Litigation & Consulting Group (SLCG). He also authored numerous articles in peer-reviewed journals. His research focused primarily on portfolio management, with a particular emphasis on mutual funds.

Before joining SLCG, the expert was an assistant professor at the Babcock Graduate School of Management at Wake Forest University, where he taught corporate finance, advanced risk analysis, and securities and portfolio management courses to MBA students. Previously, he served as a visiting economist for a one-year appointment at the Securities and Exchanges Commission (SEC), where he offered advice to the Chief Economist on investment management and policy issues. The expert had also previously written expert witness reports and appeared in NYSE, AAA, and NASD court arbitration hearings, and testified as an expert witness in numerous state and federal lawsuits.

The defendant challenged the expert’s testimony, calling into question his qualification to opine on the specific financial issues in this case, his methodologies, and how his conclusions aided the triers of fact.

Discussion

In response to the defendant’s challenge, the court noted that the expert’s overall experience in the securities industry, including his year at the SEC, qualified him as an expert on general industry issues. Further, the expert was allowed to testify on the accounts that he understood to be included in the defendant’s Performance Statistics. The court explained this was permissible because “[a]n expert opinion requires some explanation as to how the expert came to his conclusion and what methodologies or evidence substantiate that conclusion,” citing Riegel v. Medtronic, Inc.

Similarly, the expert was allowed to testify about his estimates on the Performance Statistics because they were not straightforward calculations, but complex ones that used compounding and percentages and were therefore undoubtedly beyond the mathematical ability of the jury. The court, however, prohibited the expert from testifying that the excluded accounts adversely influenced the performance figures or that the defendant’s debts generated a conflict of interest because such testimony amounts to impermissible legal conclusions.

Ruling

The motion to exclude the securities expert witness’s testimony was granted in part and denied in part.

Key Takeaways for Experts

Experts are reminded to always keep evidentiary standards in mind and only opine on what can be backed by industry research and knowledge. Remember, you’re retained to clarify the technical, specialized details that fall within your field—resist including personal opinions or conclusions.

About the author

Zach Barreto

Zach Barreto

Zach Barreto is a distinguished professional in the legal industry, currently serving as the Senior Vice President of Research at the Expert Institute. With a deep understanding of a broad range of legal practice areas, Zach's expertise encompasses personal injury, medical malpractice, mass torts, defective products, and many other sectors. His skills are particularly evident in handling complex litigation matters, including high-profile cases like the Opioids litigation, NFL Concussion Litigation, California Wildfires, 3M earplugs, Elmiron, Transvaginal Mesh, NFL Concussion Litigation, Roundup, Camp Lejeune, Hernia Mesh, IVC filters, Paraquat, Paragard, Talcum Powder, Zantac, and many others.

Under his leadership, the Expert Institute’s research team has expanded impressively from a single member to a robust team of 100 professionals over the last decade. This growth reflects his ability to navigate the intricate and demanding landscape of legal research and expert recruitment effectively. Zach has been instrumental in working on nationally significant litigation matters, including cases involving pharmaceuticals, medical devices, toxic chemical exposure, and wrongful death, among others.

At the Expert Institute, Zach is responsible for managing all aspects of the research department and developing strategic institutional relationships. He plays a key role in equipping attorneys for success through expert consulting, case management, strategic research, and expert due diligence provided by the Institute’s cloud-based legal services platform, Expert iQ.

Educationally, Zach holds a Bachelor's degree in Political Science and European History from Vanderbilt University.

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