Claire DeMatteis State officials tout re-entry system changes, say more work to be done By Sophia Schmidt • Jan 13, 2020 Sophia Schmidt, Delaware Public Media State officials gathered at Howard R. Young Correctional Center in Wilmington Monday to report on what they call progress in reentry services for offenders. Listen Listening... / 1:18 Listen to this story DOC Commissioner appoints new Chief of Community Corrections By Sarah Mueller • Oct 10, 2019 Delaware Public Media The Delaware Department of Correction has a new Chief of the Bureau of Community Corrections. Commissioner Claire DeMatteis picked former Dover Police Chief Marvin Mailey for the post. DeMatteis appoints new DOC deputy commissioner By Sarah Mueller • Jul 25, 2019 DOC New Delaware Department of Correction Commissioner Claire DeMatteis is bringing in an outsider to be second in command at DOC. Claire DeMatteis confirmed as Delaware DOC Commissioner By Sarah Mueller • Jun 26, 2019 Sarah Mueller / Delaware Public Media The Delaware Department of Correction has a new commissioner. Former Biden counselor DeMatteis to lead Carney prison reform By James Morrison • Jun 28, 2017 James Morrison, Delaware Public Media A former senior counsel to then-U.S. Sen. Joe Biden, Claire DeMatteis, is taking a lead role in helping Gov. John Carney make changes at the Department of Corrections.