Jonathan Kortmansky

Partner & General Counsel

Awards and Recognitions

New York Super Lawyer (2013-2023)
Legal 500 (2015, 2018)

  • J.D. from New York University School of Law, cum laude

    B.A. in History and Political Science from Indiana University, Bloomington

  • Associate, Shearman & Sterling

    Partner, Salans, now known as Dentons

    Partner, Sullivan & Worcester

  • Member of the State Bar of New York and New Jersey

    Admitted in the District of New Jersey, Southern District and Eastern District of New York, the Second Circuit, and the United State Supreme Court

    Member New York State-Federal State Judicial Council Advisory Group

    Past President New York University School of Law Alumni Association

Biography

Jonathan Kortmansky is a partner and also serves as general counsel to the firm at BraunHagey & Borden. Jonathan represents clients in high stakes litigation and trials. He has tried cases all over the country on behalf of publicly traded companies, financial institutions, closely held corporations and high net worth individuals. He has represented clients in criminal and regulatory proceedings before the SEC, CFTC and DOJ. 

Jonathan’s clients have included Pfizer, Eisai, Thomson S.A., UniCredit SpA, UniCredit Bank Austria, Thrivent Financial and Stone Ridge Asset Management among others. He has handled and won multiple cross-border disputes and has won cases involving complex commercial disputes, class actions, securities, patents, trusts and estates, bankruptcy, corporate control among others. He and his matters have been regularly featured in Law360 and other publications. 

Personal

Jonathan lives in NYC. During his free time, he loves to play golf, ski, hike, play chess and read interesting books.

For more information about Jonathan’s representative cases and experience, please contact the firm.