Partner
Kobre & Kim
Zachary Rosenbaum is a highly accomplished trial lawyer who represents clients in complex capital markets disputes. He tries jury and non-jury cases, as well as arbitration hearings, in the U.S. and abroad concerning a range of credit instruments, securities, share purchase transactions, and other complex financial arrangements. Mr. Rosenbaum routinely steps into highly specialized situations and inter-creditor disputes, including litigious restructurings and liability management exercises.
Chambers USA has spotlighted Mr. Rosenbaum for the past seven years as one of just a dozen leading litigators in New York representing institutional plaintiffs. Chambers USAdescribes him as a “phenomenal lawyer who has a very strong following with hedge funds”; a “very effective trial lawyer” who “is excellent on his feet”; and “definitely someone you want in your corner.” Chambers USA recently added, “his client service and advocacy are way beyond the normal standard.” Mr. Rosenbaum is also recognized for handling “high-value securities matters for institutional investors, banks and broker-dealers.” One market participant described him as “an excellent litigator and trial adversary who has a creative vision to accomplish his client's goals.”
Mr. Rosenbaum is also recognized by Benchmark Litigation as a National Practice Area Star and has been named in Lawdragon’s 500 Leading Litigators in America. Cases led by Mr. Rosenbaum also significantly contributed to Kobre & Kim being named a 2025 finalist for The American Lawyer’s Specialty Litigation Department of the Year.
Mr. Rosenbaum’s recent engagements include lead trial counsel for the minority group in the widely-publicized Incora case, which successfully challenged a lien-strip transaction after a seven-month trial and is now on appeal. He was also among the lead trial lawyers in a recent case against AIG stemming from its $85 billion bailout by the federal government. Additionally, Mr. Rosenbaum represents an Austrian trust, B&C, in cross-border disputes with private equity funds managed by Lindsay Goldberg, relating to an Austrian criminal investigation into one of the country’s largest accounting frauds. And he represents Dutch retailer Hunkemöller and its majority owner in a dispute that spans New York, London and the Netherlands.
Before joining Kobre & Kim, Mr. Rosenbaum was the founder and chair of the capital markets litigation group at Lowenstein Sandler in New York, where he represented investment managers and institutional investors with a focus on securities and structured finance litigation.
