Sean T. Williams | White & Case LLP International Law Firm, Global Law Practice

Sean T. Williams

Associate, São Paulo

T +55 11 3147 5605

E [email protected]


Sean is an Associate in the Energy, Infrastructure, Project and Asset Finance Practice with a focus on project finance and banking in Latin America.

Before joining the firm, Sean served two years as a law clerk to the Honorable Susan R. Bolton of the United States District Court for the District of Arizona.

Bars and Courts

  • Florida State Bar
  • Arizona State Bar


  • JD, University of Iowa College of Law
  • BA, Iowa State University
  • Certificate, of Latin American Studies, Iowa State University


  • English
  • Spanish
  • Portuguese


Banco de Chile, Banco del Estado de Chile, Banco de Crédito e Inversiones, Banco Santander-Chile, Instituto de Crédito Oficial, KfW IPEX-Bank GmbH, Mizuho Bank, Ltd., Sumitomo Mitsui Banking Corporation and The Bank of Tokyo-Mitsubishi UFJ, Ltd., as senior lenders, and The Prudential Insurance Company of America, as fixed rate note purchaser, in the long-term project financing for Transmisora Eléctrica del Norte S.A.'s development of a 600 km electricity transmission line and related substations connecting the Sistema Interconectado Central (SIC) and the Sistema Interconectado del Norte Grande (SING) of Chile, which will unify most of the country's power grid. The US$822 million financing consisted of Dollar and Chilean Peso senior loan facilities and a private placement under New York law, and a value added tax facility under Chilean law.

Invenergy Wind LLC and several of its subsidiaries in the acquisition of, and project financing for, the 70 MW Campo Palomas Wind Farm in the Salto Department of Uruguay. The project financing was provided by the Inter-American Investment Corporation, the Inter-American Development Bank and DNB Group.

Concesionaria Vial Sierra Norte S.A., as borrower, in connection with a US$200 million project financing for the development, construction, operation and maintenance of the 875 km toll road project "Longitudinal de La Sierra – Tramo 2 (Ciudad de Dios – Cajamarca - Chiple, Cajamarca - Trujillo and Dv. Chilete-Emp. PE-3N)" being built in the central Andean region of Peru. The project is a public-private partnership (PPP) with the government of Peru, acting through the Ministry of Transportation and Communications and will require approximately US$400 million of total investment. The project's sponsors are SACYR Concesiones, S.L.U., SACYR Concesiones Perú S.A.C. and Constructora Málaga Hnos. S.A.

Banco BICE, CaixaBank, CorpBanca and DNB Group as lenders in connection with a long-term project financing for the development of a 146MWp Solar Photovoltaic Plant in Chile. The borrower is a joint venture of sponsors EDF Energies Nouvelles, S.A., a global leader in the production of renewable energy, and Marubeni Corporation, one of Japan's largest trading companies.


  • Emerging Economies After the Global Financial Crisis: the Case of Brazil, 33 Nw. J. Int’l L. & Bus. 81, 2012, (co-author)