Jaclyn Callahan, CPA, CFE, has extensive experience in internal auditing, currently serving as the Director of Internal Audit at NiSource since May 2008, after holding the position of Internal Audit Manager. Prior to NiSource, Jaclyn worked as an Auditor at Deloitte from September 2006 to May 2008. Jaclyn Callahan earned a degree from Ohio University, completing studies from 2002 to 2006.
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