Matthew Sieben is an associate in the Chicago office of Latham & Watkins.

Mr. Sieben represents private equity sponsors and public and private company clients in mergers and acquisitions, joint ventures, leveraged buyouts, “take-private” transactions, divestitures, venture capital, and other growth-based investments, recapitalizations, and restructurings, as well as in related corporate governance matters.

Prior to joining Latham, Mr. Sieben was a corporate associate at a leading international law firm.

Mr. Sieben’s experience includes advising:

Private Equity

  • H.I.G. Capital in its acquisition of Mainline Information Systems, a leading IT solutions provider
  • Apollo Global Management in its acquisition of a minority interest in GI Alliance Holdings, a gastroenterology healthcare provider
  • TPG in its investment in Palmetto Clean Technology, an end-to-end digital residential solar platform
  • A private equity firm in its investment in a clinical-stage biotech company advancing new therapies to treat inflammation 
  • A middle market private equity firm in its acquisition of private companies from a media conglomerate
  • A private equity sponsor in its acquisition of an infrastructure company
  • A sovereign wealth fund in multiple venture capital investments in the life sciences and education industries*

Going-Private Transactions

  • Tenneco, a designer, manufacturer, and distributor of automotive ride control and emission control products and systems, in its US$7.1 billion sale to Apollo Global Management

Carve-Out Transactions and Strategic M&A

  • A financial learning platform for kids and parents, in its acquisition of the talent, technology, and IP of an alternative investing platform
  • Crown Paper Group, a holding company for investments in the paper and packaging industries, in its acquisition by Atlas Holdings
  • Multiple international corporations on international sanctions and the divestiture of Russian subsidiaries
  • A luxury consumer goods company in its sale of a minority interest to a private equity sponsor


  • VPC Impact Acquisition Holdings in its investment in Bakkt Holdings, LLC*
  • VPC Impact Acquisition Holdings II in its investment in FinAccel Pte. Ltd.*
  • VPC Impact Acquisition Holdings III, Inc. in its investment in Dave, Inc.*
  • CM Life Sciences II Inc. in its investment in SomaLogic, Inc.*
  • CM Life Sciences III Inc. in its investment in EQRx, Inc.*

*Matter handled prior to joining the firm

Bar Qualification

  • Illinois


  • JD, Northwestern University Pritzker School of Law, 2020
    cum laude
  • BA, University of Wisconsin-Madison, 2013