Mr. Pabon was part of a team that assisted the national electricity regulator (ANEEL) in developing its policies and procedures for tariff-related issues and identified the components of an institutional strengthening program for ANEEL. Additional work with the regulator included calculating distribution wheeling tariffs for certain electricity customers. He also advised the Brazilian System Operator on the commercialization of ancillary services in Brazil. Finally, Mr. Pabon was part of several privatization efforts undertaken in Brazil.