× Jhonnie Francisco Xavier Díaz Franco Full Time Professor - Online Modality School of Business Professor fdiaz@usfq.edu.ec (+593 2) 254-5620 Faculty College of Business Administration and Economics Academic School School of Business Career Finance Master in Business Management, MBA. EPN National Polytechnic School, Quito - Ecuador. Chemical Engineer. EPN National Polytechnic School, Quito - Ecuador 4.