Dr. Medina holds the position of Full Professor in the Peadiatric Dentistry and Orthodontics Department at UCV School of Dentistry. Actively involved with local and international Pediatric Dentistry associations, having held positions as Secretary General and President of the SVOP Venezuelan Society of Pediatric Dentistry and Secretary General of the Latin American Association of Pediatric Dentistry (ALOP). Hospital based private practice at Teaching Medical Center La Trinidad, in Caracas.