Joseph Hamrock, also known as Joe, has been the Chief Executive Officer and President of NiSource Inc. since June 02, 2015. Mr. Hamrock served as an Executive Vice President and Group Chief Executive Officer of Gas Distribution Segment at NiSource Inc. from May 2012 to June 02, 2015. Mr. Hamrock served as the President and Chief Operating Officer of Columbus Southern Power Company since 2008. He served as President and Chief Operating Officer of Ohio Power Company
NiSource, Inc. (NYSE:NI) is one of the largest fully regulated utility companies in the United States, serving approximately 3.5 million natural gas customers and 500,000 electric customers across seven states through its local Columbia Gas and NIPSCO brands. The company, based in Merrillville, Indiana, has more than 7,000 employees.