Joseph Hamrock

President & CEO | NiSource
Joseph Hamrock

Joseph Hamrock has been NiSource President and Chief Executive Officer since July 1, 2015, and was also elected to the NiSource Board of Directors.

Hamrock previously served as executive vice president and Group CEO for NiSource’s Gas Distribution segment, which included local gas distribution companies in Kentucky, Maryland, Massachusetts, Ohio, Pennsylvania and Virginia.

In that role, he had comprehensive responsibility for all financial, operational, regulatory and commercial performance at NiSource’s gas distribution operations. In coordination with leadership teams across each of these areas, he focused on driving the company’s long-term growth plan, premised on executing a steady stream of infrastructure improvements and growth investments, synchronized with complementary regulatory and customer program initiatives.

Hamrock joined NiSource in May 2012 after serving in a variety of senior executive positions with American Electric Power (AEP), including president and chief operating officer of AEP Ohio, and roles in engineering, transmission and distribution operations, customer service, marketing and information technology.

He began his energy industry career as an electrical engineer in transmission and distribution planning at AEP in Steubenville, Ohio. He went on to work in commercial and industrial customer services, and held leadership roles in commercial marketing and customer services, strategic development and other executive roles. Prior to becoming president of AEP Ohio, Hamrock was senior vice president and chief information officer in AEP’s Shared Services organization from 2003-2007, and from 2002 to 2003 was senior vice president – General Services.