Denis Carey is an Attorney at Keller Postman LLC with a decade of experience in mass tort litigation, case management, product liability, drug injury, and various class actions.

At Keller Postman, Denis currently represents the State of Texas against Meta Platforms, formerly known as Facebook, for exploiting Texans’ biometric information in violation of Texas law.

Prior to joining Keller Postman, Denis was a litigation associate at Seeger Weiss, LLP.  In this role, he was responsible for multiple nationwide litigations, including Elmiron , Allergan, and Philips CPAP. In addition, he worked extensively in the 3M Combat Arms Earplug Products Liability Litigation and spearheaded the firm’s Camp Lejeune efforts.  Additional matters he worked on included the National Prescription Opiate Litigation; the ongoing “Dieselgate” scandal; the sprawling multistate litigation on behalf of survivors of child sexual abuse; and various data breach cases.

Prior to Seeger Weiss LLP, Denis worked in complex commercial litigation involving class actions, securities fraud, employment law, antitrust, and consumer fraud matters. He was responsible for investigating and initiating derivative lawsuits on behalf of shareholders, as well as handling investment monitoring and analysis for his clients.  He also had a role in various mortgage-backed securities (MBS) litigations.

Denis graduated from New York Law School and received his B.A. in Political Science from Hunter College (City University of New York). He also had a wide-ranging career over several years in Information Technology as a project manager and litigation support specialist at various law firms.

Denis is licensed to practice law in New York and New Jersey only. He is admitted to the following district courts: Southern District of New York (SDNY) and the District of New Jersey.


  • J.D., New York Law School
  • B.A, Hunter College (CUNY)

Previous Affiliations

  • Seeger Weiss LLP
  • Selendy & Gay PLLC
  • Cohen & Howard LLP
  • Hach Rose Schirripa & Cheverie LLP
  • Cohen Milstein Sellers & Toll PLLC