John F. Young has been appointed CEO of Energy Future Holdings, a Dallas, TX-based energy holding company formerly known as TXU Corp.

Young was previously Executive Vice President and CFO at Exelon. He joined Exelon Power in March 2003 as chief operating officer and was named its president in May 2003. In July 2004, he was appointed president of Exelon Generation, with responsibility for the company’s Nuclear, Power and Power Team businesses. He was named executive vice president of finance and markets in March 2005 and appointed CFO in December 2005, with responsibility for Exelon's financial organization and Power Team. Prior to joining Exelon, Young worked for Sierra Pacific Resources; Southern Company; and Southern's operating units, Southern Generation and Gulf Power.