Union members rallied at a protest in College Park on Tuesday.
The announcement comes after in-person undergraduate instruction was delayed by two weeks.
Neijma Celestine-Donnor left the position July 31.
Pines fielded questions from students and parents during his Thursday interview on The Kojo Nnamdi Show.
The deadline for signing a housing agreement is Monday.
The season is still due to start in early September despite the schedule change.
Laffin will be assuming the office of current GSG President Annie Rappeport.
The decision was made to ease financial challenges hoisted on students and families by the coronavirus pandemic.
Students remembered England as a mentor and devoted ally.