FirstEnergy Corp. announced management changes that expand the roles and responsibilities for key executives and support the company's focus on customer service and cost management. The changes will be effective by September 7, 2015.

Two members of the company's leadership team have been named executive vice presidents. James H. Lash, president of FirstEnergy Generation, has been named executive vice president of FirstEnergy Corp. and president, FirstEnergy Generation.

James F. Pearson, senior vice president and chief financial officer, has been named executive vice president and chief financial officer of FirstEnergy Corp. Both report to President and Chief Executive Officer Charles E. Jones. Charles D. Lasky, vice president, Fossil Fleet Operations, has been elected to senior vice president, Human Resources, overseeing human resources services, policies, and programs for the entire company.

Lasky will report to Lynn M. Cavalier, who will continue in her role of chief human resources officer, reporting to Jones. Donald A. Moul, vice president of Commodity Operations, has been promoted to vice president, Fossil Operations and Environmental, reporting to Lash. In this position, he is responsible for providing guidance and leadership for the company's environmental group and fossil generation fleet, focusing on safe and reliable online and outage performance.

Among those reporting to Moul will be Peter J. Kotsenas, who has been named vice president, Central Fleet Operations, which includes the company's Bruce Mansfield and W.H. Sammis power plants. Frederick G. von Ahn, currently vice president, Central Fleet Operations, will represent FirstEnergy Generation on the corporate strategy team led by Senior Vice President, Strategy Gary D. Benz. Replacing Kotsenas as vice president, East Fleet Operations and also reporting to Moul is Daniel T. Rossero, formerly director of Generation Safety and Human Performance.

East Fleet Operations includes the Pleasants, Harrison and Fort Martin power plants. Gregory H. Halnon, fleet director of Regulatory Affairs, has been promoted to vice president, Regulatory Affairs and Laboratory Services, reporting to FENOC President and Chief Nuclear Officer Samuel L. Belcher. In addition to managing interactions with regulatory agencies that oversee the company's nuclear power plants, Halnon will be responsible for the company's BETA Laboratory.

Trent A. Smith, vice president of Sales and Marketing for FirstEnergy Solutions, has been named vice president, Supply Chain of the company, reporting to Senior Vice President, Corporate Services and Chief Information Officer Bennett L. Gaines. Smith fills the position vacated when Gary Benz was named senior vice president, Strategy, in June. Gary W. Grant, director of Customer Contact Centers, has been promoted to vice president of Customer Service of FirstEnergy Utilities, reporting to Senior Vice President and President of FirstEnergy Utilities Steven E. Strah.

Grant replaces Ronald I. Green, who is retiring following 38 years of service with the company on September 1, 2015. Completing the organizational changes, William J. Boyd, director of Vegetation Management of the company, has been named to the newly created position of vice president, Asset Management. Boyd will report to Jon Taylor, vice president, controller and chief accounting officer of the company, and oversee implementation of cost-saving programs and long-term capital investment initiatives for the company.