Hugh Rudnick, an IEEE Fellow, graduated as an electrical engineer from the University of Chile, Santiago, Chile. He received the M.Sc. and Ph.D. degrees from the Victoria University of Manchester, Manchester, U.K. Currently he is with the Catholic University of Chile (www.ing.puc.cl/power), Santiago, Chile and also with Systep Engineering Consultants (www.systep.cl), which specializes in power-gas system planning and operations issues. His research activities focus on the economic operation, planning, and regulation of power-gas systems. He has been a consultant with utilities and regulators in different countries, the United Nations and the World Bank, mainly on the design of deregulation schemes and transmission and distribution open access tariffs.