A final decision on whether the position will be permanent is anticipated by next semester.
Perillo is the final of three candidates to visit campus.
The program will cover the historical, political and social aspects of cannabis use.
Warren Kelley, this university's assistant student affairs vice president, is one of three finalists for the position.
Mamta Motwani Accapadi, the first candidate, will visit Tuesday.
The vegan-friendly sandwich shop was a fixture on the campus for more than 40 years.
It will bring 451 apartments to the area.
USM Chancellor Robert Caret announced who would sit on the committee to find Loh's successor Wednesday.