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Dennis C. Sullivan

Of Counsel

Dennis C. Sullivan

Of Counsel
Washington, D.C. +1-202-956-7500+1-202-956-7500 +1-202-293-6330+1-202-293-6330
[email protected]

Dennis Sullivan became a partner in the Firm's General Practice Group in 1997 after serving as Special Counsel from 1994-1996.

Rankings and Recognitions

  • The Legal 500 United States – recognized in Energy Transactions: Oil and Gas (2017) and Bank Lending (2013-2016)
  • The Legal 500 Latin America – recognized in Banking and Finance (2017) and on the Private Practice Powerlist Mexico (2018)
  • Latin Lawyer – recognized in Latin Lawyer 250 (2017)
  • The Best Lawyers in America – recognized as a leading lawyer in Derivatives and Futures Law (2006-2018)
  • The Washington D.C. Area Best Lawyers – recognized as a leading lawyer in derivatives law (2007)


Mr. Sullivan is an active member of the Firm's Commodities, Futures and Derivatives Group. He has assisted in the creation and operation of triple-A rated derivative products companies for:
  • Athilon;
  • Bear Stearns;
  • Morgan Stanley; and
  • Nomura.
Mr. Sullivan regularly represents dealers and end users in connection with structuring and documenting a wide variety of swaps and other derivatives, including equity, credit default and commodity swaps, options and forwards.

Mr. Sullivan is a member of the Firm's Structured Finance Group and Commercial Lending Group. In that capacity, he:
  • regularly represents lenders and borrowers in club and syndicated lending transactions, including secured financings and financings with complex intercreditor issues and covenant packages;
  • has represented lessees, equity investors and lenders in connection with leveraged leases of aircraft, power generation facilities, equipment and satellite transponders; and
  • has represented lenders in numerous financings in Latin America, including advice to Corporación Andina de Fomento in connection with the establishment and update of its A/B loan program.
Mr. Sullivan also is a member of the Firm's Project Finance Group. He has represented:
  • the senior lenders in the Malhas (US$ 1.0 billion, signed in 2003) and Cabiúnas (US$ 850 million, signed in 2000 and refinancing signed in 2006) gas projects in Brazil;
  • Iridium in connection with the debt financing of its satellite-based telecommunication services; and
  • GS in creation of a joint venture with US Geothermal to develop and operate the Raft River geothermal power generation facility.