• Member of the American Federation of Plastic and Reconstructive Surgery (FILACP).
• Member of the Costa Rican Association of Plastic Surgery.
www.medicos.sa.cr
• Member of the College of Physicians and Surgeons of Costa Rica.
www.accpre.com/dr_perez
• Member of the Department of Plastic, Reconstructive and Aesthetic Surgery Hospital Dr. Rafael Calderón Guardia (CCSS, San Jose, Costa Rica).
• Accredited Member of the Catholic Hospital (San Jose Costa Rica).
www.hospitallacatolica.com
• Accredited Member of CIMA Hospital (Escazu, San Jose).
www.hospitalcima.com
• Postgraduate Program University Professor (University of Costa Rica).
www.cendeisss.sa.cr
• University Medical Faculty Professor Hispanoamericana university.
www.uhispanoamericana.ac.cr
• University Medical Faculty Professor UNIBE.
www.unibe.ac.cr