Dunn will arrive in Happy Valley with two years of eligibility remaining.
"It was imperative for these two powerful collectives to join forces to provide a large breadth of NIL opportunities for student-athletes in all 31 of our sports programs to continue to push us forward."
The 13 student-athletes traveling to this season's championships mark the largest showing of Nittany Lions since 2017.
The change comes amid the hiring of a new commissioner for the two conferences.
Laubach will arrive at Penn State after being selected by the San Jose Sharks in the 2022 NHL Draft.
Cooper will arrive at Nova Southeastern as it rolls off a 36-17 overall record in the Division II Sunshine State conference.