Howard Zelbo

Cleary Gottlieb Steen & Hamilton LLP

$ $$$

Liberty Street 1
New York 10006 NY US

Howard S. Zelbo is partner of Cleary Gottlieb Steen & Hamilton LLP. Howard Zelbo’s practice focuses on international arbitration and complex commercial litigation. Howard joined the firm in 1988 and became a partner in 1994.

He has extensive experience as the lead attorney in numerous arbitrations and has represented banking and other financial institutions in commercial disputes. He has also represented both bidders and targets in several takeover litigations.


International Arbitration

  • The Russian Federation in an ICC arbitration against an $800 million claim by Swiss Compagnie Noga d’Importation et d’Exportation S.A.
  • Citigroup Venture Capital in its widely publicized battle for corporate control over Brasil Telecom, which included ICC arbitrations in London and in Paris and litigation in the Southern District of New York.

Commercial Litigation

  • BHP Billiton litigation arising out of  its $40 billion all-cash offer to acquire Potash Corporation of Saskatchewan.
  • Nortel Networks International in connection with a $7 billion dispute relating to the allocation of proceeds from the sale of substantially all of Nortel’s operations and patent portfolio


  • General Member and Member of the Advisory Committee, The International Institute for Conflict Prevention & Resolution
  • Member, The International Arbitration Club of New York
  • Former Chairman, Securities Litigation Committee, New York State Bar Association


  • Cornell Law School, J.D., 1985
  • University of Connecticut, B.A., 1982


  • Connecticut
  • New York
  • U.S. Supreme Court


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Liberty Street 1
New York 10006 NY US
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Lina Stillman

Broadway 42
New York 10006 NY US