• Biography

    Jayun Koo is a partner in the Capital Markets and Securities Practice Group in the New York office of Haynes and Boone. Her practice focuses primarily on securities law and general corporate matters, including representing issuers, underwriters and institutional investors in initial public offerings and other public and private securities offerings, SEC reporting and compliance and corporate governance matters. She works mainly with the firm’s public company clients, both large and small, many of whom are involved in emerging growth technologies in the biotechnology and biopharmaceutical fields.

  • Education and Clerkships

    • J.D., Columbia Law School, 2010, Journal of Asian Law, Staff Editor
    • B.A., University of Pennsylvania, 2006, magna cum laude
  • Admissions

    • New York
  • Languages

    • Korean