AES Corporation has selected Mark Fitzpatrick to serve as Chief Executive Officer of Electropaulo, a Brazilian energy distributor. Fitzpatrick previously served as Executive Vice President in charge of operations in Europe and Asia.

AES has also appointed Ann Murtlow President and Chief Executive Officer of Ipalco, an Indianapolis utility. She has served previously as Managing director of AES Horizons and was in charge of developments throughout Central and Eastern Europe.

PPL Generation has appointed Bryce L. Shriver to the post of senior vice president and chief nuclear officer. Shriver's addition to the company comes as Robert G. Byram retires from the position after serving for five years.

Reliant Resources Inc. has brought in Stephen Naeve to take the role previously played by Chairman and Chief Executive Officer Steve Ledbetter. Naeve will serve as company president, although Ledbetter will remain chairman and CEO.