The move comes as the former dean, Justin Schwartz, transitions into the role of Penn State's interim executive vice president and provost.
Nelson is the tenth recruit ranked as a four-star or higher in the Nittany Lions' Class of 2023.
The rally will begin at 7 p.m. at the Allen Street Gates in response to the Supreme Court's decision to overturn Roe v. Wade.
The Nittany Lions and the Tigers will face off for the first time since 2005.
While an opening date has yet to be set, Way Fruit Farm has plans to open a location on East Calder Way this summer.
The first concert in the series will feature musical duo Anchor&Arrow.