Bob Siegel is a partner in O’Melveny’s Los Angeles office and a member of the Labor and Employment Practice. He is a former Chair of the Litigation Department, and Vice-Chair of the Firm.

Bob is a labor lawyer who focuses his practice on representing major companies in federal court litigation under the Railway Labor Act and the National Labor Relations Act, arbitrations, labor negotiations, National Mediation Board and National Labor Relations Board matters, and employment law litigation and counseling. Representative past and current clients include: American Airlines Group, United Airlines, Delta Air Lines, Alaska Air, Astar Air Cargo, AirTran Airways, Pan American World Airways, America West Airlines, Midwest Airlines, Spirit Airlines, Northwest Airlines, AMR Eagle, Atlas Air, Flying Tigers, Federal Express, Pacific Southwest Airlines, Polar Air, Delphi Corporation, and Mylan Laboratories.

Bob has also been labor counsel to several airlines regarding mergers, asset acquisitions, and ESOP transactions. Bob is a past Co-Chairman of the American Bar Association’s Railway and Airline Labor Law Committee, and is a Senior Editor of The Railway Labor Act (BNA).

Bob has argued significant labor law cases before the US Court of Appeals, Second, Third, Fourth, Seventh, Ninth, Tenth, Eleventh, and District of Columbia Circuits, and the Colorado Supreme Court. During the 2001-02 term, he represented US Airways before the US Supreme Court in US Airways, Inc. v. Barnett, a case involving reasonable accommodation requirements under the Americans with Disabilities Act. He previously served on the Board of Governors of The College of Labor and Employment Lawyers, Inc.