Pomerantz LLP

Allison Tierney

Staff Attorney

New York

Securities Litigation

Hofstra University School of Law

State of New York


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Allison Tierney focuses on securities fraud litigation.

Allison brings to Pomerantz her 10 years’ expertise in large scale securities class action litigation. Allison participated in the Firm’s securities class action case against Brazil’s largest oil company, Petrobras, arising from a multi-billion dollar kickback and bribery scheme, in which the Firm, as sole Lead Counsel, recently achieved a historic $3 billion settlement for the Class, as well as precedent-setting legal rulings.

Prior to joining Pomerantz, Allison worked on securities class action cases at several top New York law firms, representing institutional investors. Allison has represented plaintiffs in disputes related to antitrust violations, corporate financial malfeasance and residential mortgage-backed securities fraud.

Allison earned her law degree from Hofstra University School of Law, where she served as notes and comments editor for the Cyberlaw Journal. She received her B.A. in Psychology from Boston University, where she graduated Magna Cum Laude.

Allison is also conversant in Spanish, and is currently studying to become fluent.

Allison is admitted to practice law in New York State.