The Nittany Lions are on a four-game losing streak and have won just two of its last 10 Big Ten games.
DeSa has the second most wins by a goalie in program history.
Tinsley spent 2024 on the Washington Commanders' practice squad.
Smith served as Penn State's offensive analyst and analytics coordinator for the last two seasons.
The Nittany Lions won eight of 10 bouts against the second-ranked Hawkeyes.