Seth A. Ribner is a Partner at Simpson Thacher & Bartlett LLP, where he is a member of the Firm's Litigation Department resident in Los Angeles, California. His areas of concentration are insurance coverage, energy and complex business litigation.

Mr. Ribner represents a number of AIG Member Companies, St. Paul Travelers Companies and ACE Companies in coverage litigations involving environmental, product, and asbestos exposures. He has also represented insurers in coverage litigation involving first party property, marine and aviation insurance. Mr. Ribner has been responsible for precedential appellate decisions in the area of environmental insurance coverage including Ogden Corp. v. Travelers Indemnity Co., 924 F.2d 39 (2d Cir. 1991), and Fruit of the Loom, Inc., v. Travelers Indemnity Co., 672 N.E. 2d 278 (Ill. App. 1996).

Mr. Ribner is a member of the American Bar Association and the Los Angeles County Bar Association. He has been named by Los Angeles Magazine to its 2004, 2005 and 2006 listing of Southern California Super Lawyers. Mr. Ribner is also a member of the UCLA Law School Dean’s Advisory Council.

Mr. Ribner received an A.B., summa cum laude with distinction and graduated Phi Beta Kappa from the University of Pennsylvania in 1979. He also received an A.M. from the University of Pennsylvania in 1979. Mr. Ribner obtained a J.D. from Columbia University in 1982 where he was a Harlan Fiske Stone Scholar. Mr. Ribner served as a Law Clerk to the Honorable Jerome Farris, United States Court of Appeals for the Ninth Circuit from 1982 to 1983.

Mr. Ribner was admitted to the State Bar of New York in 1984; U.S. District Court, Southern District of New York in 1986; U.S. District Court, Eastern District of New York in 1986; U.S. Court of Appeals, Second Circuit in 1989; State Bar of California in 1995; U.S. District Court, Central District of California in 1996; U.S. Court of Appeals, Ninth Circuit in 1996; U.S. District Court, Northern District of California in 1997; U.S. District Court, Eastern District of California in 1998; and U.S. District Court, Southern District of California in 1998.

Honors/Associations

•	American Bar Association
•	Los Angeles County Bar Association
•	UCLA Law School Dean's Advisory Council

Publications

•	Three Federal Courts Issue Back-to-Back Decisions Addressing the Viability of Global Warming Tort Actions
•	Corban v. USAA: Reinterpreting the Anti-Concurrent Causation Clause
•	The Heightened Pleading Standard of Twombly Applies to All Federal Civil Claims
•	California Supreme Court Rules on “Sudden and Accidental” Pollution Exclusion in State of California v. Allstate Insurance Company
•	The Costs of Climate Change: Why Industry Should Not Look to Liability Insurance to Bear Them, Coverage, Sept./Oct. 2007.
•	Curfews, Blockades and Physical Devastation: A Look at Business Interruption Coverage Post-Katrina.  Coverage, Sept./Oct. 2006.
•	Modern Environmental Insurance Law: Sudden and Accidental, 63 St. John's Law Review 755, 1988

Speaking Engagements

•	Seth A. Ribner Addresses Insurance Coverage for Climate Change June 18, 2008
•	Simpson Thacher Attorneys to Speak at Los Angeles Directors Roundtable April 21, 2008

Admissions

•	New York 1984
•	California 1995
•	U.S. District Court Eastern District of New York 1986
•	U.S. District Court Southern District of New York 1986
•	U.S. District Court Central District of California 1996
•	U.S. District Court Northern District of California 1997
•	U.S. District Court Eastern District of California 1998
•	U.S. District Court Southern District of California 1998
•	U.S. Court of Appeals 2nd Circuit 1990
•	U.S. Court of Appeals 9th Circuit 1996

Clerkships

•	Hon. Jerome Farris, United States Court of Appeals for the Ninth Circuit, 1982-1983

Education

•	Columbia Law School, 1982 J.D. Harlan Fiske Stone Scholar
•	University of Pennsylvania, 1979 A.M.
•	University of Pennsylvania, 1979 A.B. summa cum laude; Phi Beta Kappa