Our staff Our Staff Director Associate Director Administrative Officer Information Systems Director Dr. Emmanuel ArzuagaEmail: emmanuel.arzuaga@upr.eduPhone: 787-832-4040 (ext. 5854)Fax: 787-832-2485 Associate Director Dr. Heidy SierraEmail: heidy.sierra1@upr.eduPhone: 787-832-4040 (ext. 5276)Fax: 787-832-2485 Administrative Officer Maribel FelicianoEmail: maribel@ece.uprm.eduPhone: 787-832-4040 (ext. 5263)Fax: 787-832-2485 Information Systems Harold MarreroEmail: harold.marrero@upr.eduPhone: 787-832-4040 (ext. 5299)