Olivia Damico, Rowan Lapi, Devon Olive, and Mieke Schiemann will lead the team through the fall.
Biro signed with the Buffalo Sabers as an undrafted free agent in 2020 and played four seasons for the franchise before heading west.
Carter made the switch to defensive end following the 2023 season.
THON will run fundraising promotions through the month of July.
Penn State finished with 827.75 points, behind Ohio State, Michigan, and Nebraska in the Big Ten.
Krieger will partner with Sebastian Salazar, co-host of Futbol Americas.