Contact the AGHE Program Our faculty and staff are happy to help answer questions about the program and assist where they can. To view a full list of the AGHE program faculty, please vist the School's faculty directory page. The AGHE program contacts are included below. Graduate Diploma (GDip) Inquiries trosillo@queensu.ca Master of Science (MSc) Inquiries trosillo@queensu.ca Doctorate (PhD) Inquiries caitlin.macdonald@queensu.ca