Graduation in Medicine and Surgery at Università degli Studi di Milano in 1981. Academic Specialisation in General Surgery and Maxillo-Facial Surgery at Università di Milano. Chief of the Jaw Reconstructive Surgery and Advanced Implantology Unit of the Center of Diagnostics and Treatment for Head and Neck Diseases at Istituto Ortopedico Galeazzi in Milan since 2000. Head of the Maxillo-Facial Surgery Unit at Istituto Ortopedico Galeazzi in Milan since 2002. Consultant of the Maxillo-Facial Surgery Unit at Istituto Stomatologico Italiano in Milan since 2017. Founding Partner of GISOS (Italian Association of Studies for Osseointegration and Osteosynthesis). Author and co-author of over 100 scientific publications. Lecturer on the occasion of national and international courses and conferences.

Dr David Zelig is a board certified oral and Maxillofacial surgeon. Cometed his OMS residency at The Long Island Jewish Medical Center in NY, was in a busy full scope private practice in Memphis for many years,where he was also involved in residency education, before relocating to the Northeast. He is currently the oral surgeon at The ClearChoice Dental Implant Center in Garden City, NY and in private practice in NY and NJ. His primary focus is the graftless solution for atrophic jaws using conventional, zygomatic and pterygoid implants.