The Woodlands, Texas--Pantellos Group named a CEO and board of directors, moving forward with its plans for an energy e-marketplace. Pantellos is a consortia of 21 leading North American energy and utility companies, including Consolidated Edison, PG&E Corp., Duke Energy and others. William J. McMahon III was named chairman, CEO and president. McMahon was founder and CEO of Stone & Webster Sonat Energy Resources L.L.C.--a Massachusetts-based joint venture that managed the energy and utilities for major industrial clients. In addition, Pantellos named Graham Collins, one of the primary architects of Pantellos and previously director in PricewaterhouseCoopers L.L.P.'s energy consulting practice, as COO.