Lisa Deak has served as an Executive Administrative Assistant at NiSource since March 2013, providing support to various executives, including Melody Birmingham, Carlos Ayala, Elisa Fitzgerald, and Violet Sistovaris. Prior to her tenure at NiSource, Lisa worked as an Executive Assistant at Sargent & Lundy from September 2008 to March 2013. Lisa Deak holds an education credential from Prairie State College.
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