Sign In

Donal O'Brien

Partner at Bryan Cave Leighton Paisner

Donal M. O'Brien was a partner at Bryan Cave Leighton Paisner until February 2024, when he joined Arnold & Porter as part of a seven-lawyer team.23 He is a corporate attorney who focuses on mergers and acquisitions, corporate finance, and cross-border transactions.3

Professional Background

  • Currently a Partner at Arnold & Porter (since February 2024)23
  • Previously worked at Bryan Cave Leighton Paisner for 17 years (March 2007 - February 2024)3
  • Based in Chicago3

Practice Areas

O'Brien represents clients in:

  • Mergers and acquisitions
  • Corporate finance matters
  • Public and private acquisitions and dispositions
  • Leveraged buyouts
  • Corporate restructurings
  • Spin-offs
  • Joint ventures and strategic alliances1

His finance practice focuses on secured and unsecured lending transactions, working with financial institutions and borrowers.1

Education and Admissions

  • J.D. from Loyola University Chicago School of Law, 1998
  • B.A. from University College Dublin, with honors
  • Admitted to practice in Illinois1

Additional Activities

  • Adjunct Professor of Corporate Finance at Loyola University Chicago School of Law (2004-present)
  • Director of the Irish American Partnership (2018-present)
  • Advisory Board member and former Founder and President of Ireland Network1

O'Brien maintains strong client connections in Ireland and frequently represents foreign direct investments into the United States, with a particular emphasis on investments between Ireland and the US.1

Related Questions

What are Donal M. O'Brien's key achievements in mergers and acquisitions?
How does Donal M. O'Brien's practice differ from other M&A lawyers?
What specific industries does Donal M. O'Brien focus on in his corporate finance practice?
How has Donal M. O'Brien's work impacted foreign direct investments between the U.S. and Ireland?
What educational background does Donal M. O'Brien have?
Donal O'Brien
Donal O'Brien, photo 1
Donal O'Brien, photo 2
Add to my network

Location

Chicago, Illinois, United States