About Us

About Us

John Holtzmuller

State Finance Director

John Holtzmuller

John Holtzmuller is state finance director for Columbia Gas of Ohio. His responsibilities include managing Ohio’s capital and operating budgets, as well as forecasting and managing Columbia’s financials.

John began his career with Columbia’s parent company NiSource in 2010, as corporate FP&A manager and since joining the company, has held several leadership positions. Most recently, he served as director of IT planning, where he provided financial support to enhance NiSource’s overall IT service delivery model. Before joining NiSource, John worked in public accounting and various corporate finance roles at Sterling Commerce, a subsidiary of IBM.

John holds a bachelor’s degree in accounting and management information systems from Miami University and a master’s degree in business administration from The Ohio State University. He is an alumnus of the Leadership NiSource class of 2016. 

A native of Eaton, Ohio he resides in Dublin with his wife Stacee, and two sons.