1. Physician (Federal University of Piaui).
2. Doctoral degree completed. Adjunct Professor of Nursing (Federal University of Piaui).
3. Doctoral degree completed. Associate Professor of Chemistry (Federal University of Piaui).
4. Phonoaudiologist (Paulo Borges Clinic).
5. Doctoral degree completed. Associate Professor (Department of Parasitology and Microbiology, Federal University of Piaui).
6. Doctoral degree completed. Associate Professor (Campinas State University (UNICAMP) School of Medicine).
7. Doctoral degree completed. Full Professor (Campinas State University (UNICAMP) School of Medicine).
8. Master's degree completed. Doctorate in progress. Adjunct Professor of Otolaryngology (Federal University of Piaui).