ATLANTA, Feb. 22, 2013 /PRNewswire/ -- Southern Company Chairman, President and CEO Thomas A. Fanning today announced a number of changes within the company's management. (Logo: http://photos.prnewswire.com/prnh/20080801/SOCOLOGO) Theodore J. McCullough will become executive vice president of Engineering and Construction Services for Southern Company Operations. He will assume the role vacated by Penny M. Manuel, who has announced her plans to retire. James P. Heilbron will replace McCullough as senior vice president and senior production officer of Alabama Power. Dana P. Claburn will replace Heilbron as senior vice president and senior production officer of Southern Power. "The bench strength of our executive team illustrates why Southern Company's commitment to leadership development is regarded among the best in the industry," said Fanning. "The depth of our executives' experience directly influences our customer-focused business model, allowing us to provide high reliability, low prices and high customer satisfaction." Manuel joined Southern Company in 1982 as a co-op student in fossil generation. She has held positions in maintenance, planning, engineering and fuel handling for various Alabama Power generating plants, until she moved into senior management and executive positions, managing generation assets. In 2005, Manuel was named vice president and senior production officer of Gulf Power. In 2007, she became vice president of technical services, and she moved into her current position in 2010. Manuel was the recipient of the 2012 Leadership Award from the Engineering Council of Birmingham. In 2011, she was chosen as one of UAB's "40 Engineers Making a Difference." "For more than 30 years, Penny has remained at the forefront of our efforts to deliver exceptional service while addressing challenges facing our company and industry," said Fanning. "Under her leadership, the company has invested billions of dollars in infrastructure, helping build the system and solutions to best meet our customers' energy needs, both now and in the future."