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Clifford Chance

Clifford Chance
Jonathan Zonis (He/Him)

Jonathan Zonis (He/Him)


Jonathan Zonis (He/Him)

Jonathan Zonis is the co-head of the Americas Capital Markets practice and concentrates in representing issuers and underwriters in cross-border equity and debt (including high-yield) offerings.

Jon has been involved in public and private transactions in equity and debt offerings by issuers in a variety of industries including banking, energy, manufacturing, real estate, infrastructure, luxury goods, telecommunications, media and shipping.

  • Clifford Chance recognized as Latin Lawyer International Elite 2024 firm
    Clifford Chance has been recognized by legal industry publication Latin Lawyer as one of eight International Elite 2024 firms.
    29 August 2023
  • Advised Citi, JPMorgan, Daiwa and Barclays as underwriters, in connection with a US$800 million SEC registered notes offering by Latin American development bank Corporación Andina de Fomento (CAF).
  • Clifford Chance advised Credit Suisse on the largest ever sovereign debt conversion linked to conservation for the Republic of Ecuador. The transaction involved the issuance of a USD 656 million Galápagos Marine Bond, used to finance a debt conversion for Ecuador whereby USD 1.628 billion of Ecuador's international bonds were exchanged for a USD 656 million loan (insured and guaranteed by DFC and the Inter-American Development Bank).

News and client work

View all news and client work featuring Jonathan Zonis

Contact details

Career and qualifications

  • Dartmouth College (AB, cum laude, with high honors in History) 1987
  • Duke University School of Law (JD) 1990
  • Law Clerk to Judge Carolyn Dineen King, US Fifth Circuit Court of Appeals 1990
  • Admitted as an Attorney-at-Law in Massachusetts and New York 1992
  • Joined Clifford Chance 1996
  • Partner since 1999
  • Clifford Chance Hong Kong 2000 - 2005, 2013 - 2014

Professional bodies

  • Member of Editorial Board at Duke University School of Law

Awards and citations

  • Jonathan Zonis leads the Latin America practice and is co-head of the Americas capital markets group, having a strong record in corporate and sovereign offerings.
    Legal 500 2022 – Latin America: International firms: Capital markets – Tier 2
  • experienced, very good technically and very good treatment of clients.’
    Legal 500 2022 – Latin America: International firms: Capital markets – Tier 2
  • Jonathan Zonis remains active representing underwriters in debt and equity transactions issued by private companies as well as sovereigns and state-owned entities. "He was key to helping us negotiate with the issuers' counsel," an interviewee reports, while also adding: "He had the patience to help us explain the different issues to the key stakeholders."
    Chambers USA 2022: Capital Markets (International Counsel) – Band 3