Sills Cummis & Gross P.C.

Jeffrey J Greenbaum

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Practice Areas

Jeffrey J Greenbaum, Chair of the Firm’s Class Action Defense Practice Group, is an active litigator focusing on complex business litigation and defending class action litigation. He has handled cases of national prominence.

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Professional Memberships

He is a leader in the ABA Section of Litigation (former Officer, former Chair, Class Actions & Derivative Suits Committee; Co-Chair, Federal Practice Task Force); Association of the Federal Bar of New Jersey (former President); Fellow, LCA; Member, ALI.


Certified Civil Trial Attorney; former Assistant US Attorney; University of Michigan, JD, cum laude; University of Pennsylvania, Wharton School, BS