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  • Business Law
  • District of Columbia, District of Columbia, District of Columbia 1989, New York, New York 1974, U.S. Ct. App. - 2nd Cir. 1989, U.S. Ct. App. - 3rd Cir. 1989, U.S. Ct. App. - D.C. Cir. 1989, U.S.D.C. - S.D.N.Y.
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Practice Area
Business Law
Additional Practice Areas
  • Finance
  • Project Finance
Jurisdictions Admitted to Practice
District of Columbia
District of Columbia Bar
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District of Columbia
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District of Columbia 1989
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New York
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New York 1974
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U.S. Ct. App. - 2nd Cir. 1989
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U.S. Ct. App. - 3rd Cir. 1989
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U.S. Ct. App. - D.C. Cir. 1989
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U.S.D.C. - S.D.N.Y.
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Languages
  • English
Professional Experience
Senior Counsel
Chadbourne & Parke LLP
Current
Education
New York University School of Law
J.D
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Princeton University
B.A
, Woodrow Wilson School of Public and International Affairs
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Professional Associations
Current
Activities: Mr. O'Sullivan is a member of the District of Columbia Bar Association. He also has appeared before 30 state commissions, testified before two state legislatures and U.S. House of Representatives Subcommittees on utility law.
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Websites & Blogs
Website
Website
Contact & Map
1200 New Hampshire Ave NW
Washington, DC 20036
Telephone: (202) 974-5610
Fax: (202) 974-6710