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Our Team

Jeffrey Armstrong

Jeffrey Armstrong

Managing Director
Jeffrey Armstrong is an economist in the Econ One DC office with twenty years of experience in litigation consulting in antitrust matters. Most ...

David J. Balan

David J. Balan

Managing Director
David J. Balan is a Managing Director whose pro-enforcement practice specializes in developing and litigating antitrust cases.  Prior to joining ...
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Eric Forister

Eric Forister

Managing Director
Eric Forister is a Managing Director with testifying experience on market definition, market power, and damages.  His expertise includes ...
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Krista Holt

Krista Holt

Managing Director
Krista Holt is a Managing Director at Econ One Research, Inc.  She testifies at trial in patent, trademark, trade secret, copyright, false ...
Phillip Johnson EconOne Managing Director

Phillip Johnson

Phillip Johnson

Managing Director
Phillip Johnson is an expert with extensive experience in the complex and sophisticated analyses required in antitrust, class action, and ...
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Jeffrey Leitzinger

Jeffrey Leitzinger

Managing Director
Jeffrey Leitzinger is an expert in the economics of markets, pricing, competitive analysis, valuation, class certification and damages.  Over ...
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John Ramirez

John Ramirez

Managing Director
John Ramirez is an expert in competition and regulatory economics, economic impact analysis and advanced quantitative methods. He has worked on ...
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Leslie Schafer

Leslie Schafer

Managing Director
Leslie Schafer is a Managing Director with Econ One Research, Inc. She applies economic analysis and econometrics to liability and damages ...
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DC (“Dave”) Sharp

DC (“Dave”) Sharp

Managing Director
DC (“Dave”) Sharp is an expert in economic, financial, and other business issues that arise in litigation. As an economic consultant ...

Hal Singer

Hal Singer

Managing Director
Hal Singer Hal Singer is an expert in antitrust, consumer protection, and regulation. He has researched, published, and testified on ...

Ram Tamarappoo

Ram Tamarappoo

Managing Director
Ram Tamarappoo is a Managing Director with Econ One.  He is an economist with over 20 years of international consulting experience providing ...
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Michael Trousdale

Michael Trousdale

Managing Director
Michael Trousdale is a Managing Director at Econ One Research with over 15 years of experience conducting and managing complex economic ...

Expert Resources and Insights

Industries: Healthcare

Our Clients

Berger Montague

Boies Schiller Flexner

Camp Fiorante Matthews Mogerman

Gibson Dunn & Crutcher

Greenberg Traurig

Hagens Berman Sobol Shapiro

Hausfeld

Kaplan Fox

Paul Weiss, Rifkind, Wharton & Garrison

Quinn Emanuel Urquhart & Sullivan

Susman Godfrey

White & Case

Class Certification

The class certification stage is critical and requires expert support to navigate complex issues and data. Typically, a select group of named plaintiffs or class representatives (direct or indirect purchasers) allege a conspiracy or other antitrust infractions against one or more defendants, with the goal of obtaining class certification and ultimately winning the case. Clients value the expertise of Econ One’s antitrust experts for guidance on class certification issues, including the evaluation of class-wide effects. Our team delivers comprehensive expert reports and provides expert testimony in class certification proceedings.

Econ One’s antitrust economists and consultants have extensive experience working on some of the largest class certification cases across a wide array of industries. We utilize advanced econometric techniques and data analysis to ascertain whether the purported anti-competitive behavior has had a common impact on the proposed class members and to evaluate whether the class members were similarly situated. Furthermore, our economic experts are experienced in navigating challenges related to ascertainability, commonality, numerosity, and typicality, as well as in quantifying damages or overcharges.

Our expertise in antitrust class certification extends to both direct and indirect purchaser cases. Our deep understanding of complex economic theory and our capability to manage large datasets is why we are entrusted to provide clear and compelling expert reports and testimony.