The struggling retail group said COVID-19 severely disrupted its turnaround progress.
"The decision was difficult, but necessary, as the Dressbarn chain has not been operating at an acceptable level of profitability."
Michael Nicholson takes over as finance chief as the retailer works to correct operational missteps that have hurt sales.
Owner of Lane Bryant adds Ann Taylor and Loft brands, creating a firm with more than 4,900 stores.