COLUMBUS, Ohio, Nov. 27, 2012 /PRNewswire/ -- American Electric Power (NYSE: AEP) has announced organizational and executive leadership changes as part of a corporate-wide repositioning effort, according to Nicholas K. Akins, AEP president and chief executive officer. "These leadership changes and the process improvements that result from the ongoing repositioning effort are designed to position the company for success in a rapidly changing business environment," Akins said. Lana L. Hillebrand will join AEP as senior vice president and chief administrative officer, reporting to Akins. Hillebrand is currently with Aon Hewitt, where she has worked since 2001, most recently as the South Region Leader – Senior Partner in Dallas. Prior to joining Aon Hewitt, Hillebrand spent 18 years in a variety of positions with Central & South West Corporation, an electric utility holding company that merged with AEP in 2000. Hillebrand has a Bachelor of Business Administration from the University of Texas at Austin and has completed executive programs at Columbia University and Harvard University. Reporting to Hillebrand will be Tracy A. Elich, vice president-Human Resources; Alberto G. Ruocco, vice president and chief information officer; and Thomas P. Householder, managing director-Labor Relations. "I am thrilled that Lana is going to rejoin the company, bringing her wealth of experience to the challenging role of chief administrative officer for AEP," Akins said. Dennis E. Welch, currently executive vice president and chief administrative officer, will become executive vice president and chief external officer and will continue to report to Akins. In this role, Welch will be responsible for governmental affairs, environmental affairs and services, corporate communications, safety and health, corporate sustainability, strategic policy analysis, corporate security and aviation, and real estate and workplace services. "Dennis has played an increasing role externally, repeatedly demonstrating his skill and acumen in this area," Akins said.