Joseph Hamrock is an experienced regulated utility executive who joined NiSource in 2012 as executive vice president and group chief executive officer.
Joseph Hamrock is an experienced regulated utility executive who joined NiSource in 2012 as executive vice president and group chief executive officer for its Gas Distribution segment. He later served as CEO of NiSource Inc., retiring from the role in 2022 after a ten-year career with the company. Prior to NiSource, he held various senior executive positions at American Electric Power (AEP).
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