Welch will begin his new permanent positions on October 1.
"Please know that we are listening, learning, and continuing to work to address racism and prejudice. These tragic events must stop."
Springall will step into his new role beginning October 1.
Langkilde will succeed Dean Douglas R. Cavener, who stepped down in June.
"We have repeatedly asked Penn State to provide data modeling and other forms of scientific evidence to justify its testing policies. Such evidence has not been forthcoming."
The video summarizes new procedures that'll be put into place this fall.