Shannon O. Pierce and Steven M. Murphy appointed to senior vice president roles for Southern Company Gas; Pierce also appointed president of Virginia Natural Gas ATLANTA, Sept. 26, 2024 /PRNewswire/ -- Southern Company Gas today announced executive leadership changes as the company continues its focus on building the future of energy and providing best-in-class service and value for customers. Shannon O. Pierce, senior vice president of Southern Company Gas and president of Virginia Natural Gas Shannon O. P ...