Kettering

Glen L. Kettering, president of Columbia Gas, is assuming the additional responsibilities of heading up Columbia Gulf, due to the resignation of Terrance L. McGill. Columbia Gulf said McGill voluntarily left the company to pursue other activities in the Houston area. Promoted to senior vice president positions in the recent restructuring of the NiSource subsidiaries are James W. Hart Jr., who heads Columbia Gulf’s marketing and business development activities, and Rene P. Dartez, who directs the company’s financial planning and budgeting functions.