Last spring, Brown entered the transfer portal but eventually chose to return to Happy Valley and commit to head coach Mike Rhoades.
Ciezki was one of three notable Lady Lions to hit the portal this offseason.
Williams has 30 years of coaching experience.
Nemeth recently moved to third all-time for wins in a single season at Penn State.
The Nittany Lions will play the Hoyas on Friday, May 3.
“It's nice to see our guys recognizing the little things."