Teri O’Brien represents public and private companies in a wide variety of corporate transactions, including public and private debt and equity securities offerings and domestic and cross-border M&A transactions, as well as in connection with corporate governance and SEC reporting and corporate and securities compliance matters.

Ms. O'Brien has represented companies in a number of different industries, including:

  • Healthcare and life sciences
  • Technology
  • Financial institutions

Ms. O'Brien is also a Certified Public Accountant (CPA) and an active speaker on SEC corporate governance.

Ms. O’Brien’s representative experience includes advising:

Capital Markets

  • AvidXchange Holdings, Inc. in its upsized US$660 million initial public offering*
  • The Greenbrier Companies, Inc. in its US$373.75 million private placement of convertible senior notes*
  • Advanced Particle Therapy LLC in its private equity and debt offerings seeking aggregate proceeds of US$305 million*
  • Spectrum Pharmaceuticals, Inc. in its public offering of common stock, resulting in proceeds of US$74.8 million*
  • Kratos Defense & Security Solutions, Inc. in multiple public offerings of common stock, resulting in proceeds of approximately US$1.1 billion*
  • Inseego Corp. in its public and private offerings of US$180 million aggregate principal amount of 3.25% convertible senior notes due 2025*
  • Gevo, Inc. in its private debt financing with Whitebox Advisors LLC (recognized by the Financial Times as one of the most innovative corporate transactions of the year)*
  • Novatel Wireless, Inc. in connection with its US$120 million private placement of convertible senior notes and related restructuring*

Mergers & Acquisitions

  • AdTheorent Holding Company, Inc. in its deSPACing business combination with MCAP Acquisition Corporation*
  • Illumina, Inc. in its US$7.1 billion acquisition of GRAIL*
  • Teleperformance SE in its acquisitions of LanguageLine Solutions LLC, Intelenet Group, West Health Advocate Solutions, Inc., and Senture*
  • Kratos Defense & Security Solutions, Inc. in its acquisitions of ASC Signal, CTT, Inc., and Cosmic Advanced Engineered Solutions, Inc.*
  • Shuanghui International Holdings Limited, China’s largest meat processor, in its acquisition of Smithfield Foods, Inc. in a cash merger valued at US$7 billion*
  • Samsung Electronics, Co., Ltd. in its acquisition of Nexus Dx*
  • The Titan Corporation in its acquisitions of Intelligence Data Systems, Inc., Advent Systems, Inc., Jaycor, Inc., Science and Engineering Associates, International Systems, LLC, and Datron Systems*

*Matters handled prior to joining Latham

Bar Qualification

  • California


  • JD, University of San Diego, 2000
    magna cum laude
  • BS, San Diego State University, 1993
    magna cum laude