Photo of Andrew J. O’Brien

Andrew J. O’Brien

Partner, Cadwalader

212-504-6414andrew.obrien@cwt.com

200 Liberty Street
New York, NY 10281

View Firm Biography

Andrew J. O’Brien focuses his practice on all aspects of executive compensation and employee benefits matters, with an emphasis on strategic mergers and acquisitions, complex leveraged buyouts and other significant business transactions. O'Brien regularly advises public and private companies, management teams and individual senior executives on executive employment and separation arrangements, and on the design and implementation of cash and equity incentive compensation agreements and non-qualified retirement programs. Andrew was recently recognized as one of 2025 Lawdragon’s “500 Leading U.S. Corporate Employment Lawyers.”

O'Brien’s experience prior to joining Cadwalader includes representing:

  • Blackstone in its acquisition of the cybersecurity and intelligence business from Raytheon Technologies;
  • Cvent Inc. in its acquisitions of iCapture and Jifflenow;
  • The National Football League in its negotiation of Roger Goodell’s contract renewal;
  • The management team of Charter Next Generation in its sale to KKR;
  • The management team of TripleLift in its sale to Vista Equity Partners;
  • The CEO of Centric Brands regarding his employment and equity negotiations with The Blackstone Group; and
  • The management team of The Hilb Group in their sale to The Carlyle Group.

Lawdragon Honors

Honor Year Practice
The 2026 Lawdragon 500 Leading Corporate Employment Lawyers 2026 Executive Compensation & Benefits
The 2025 Lawdragon 500 Leading Corporate Employment Lawyers 2025 Executive Compensation & Benefits