Mark DeRosa returned to Washington & Jefferson College for his third stint as an assistant coach in 2012. The PAC championship season marked the 10th overall year for DeRosa as an assistant coach with the Presidents.
DeRosa coaches the team’s defensive line. In previous years, he has also coached the squad's linebackers and running backs.
DeRosa recently spent time as the defensive coordinator at Chartiers-Houston High School. He has also coached in the high school ranks at Avella and Trinity.
DeRosa was a two-time all-conference and all-county linebacker at Chartiers-Houston. He earned a degree in drafting at the Washington Institute of Technology and is also a certified strength and conditioning coach.