Head of Neurosurgery, Hospital Lusíadas Porto
Senior Consultant in Neurosurgery, ULS de Gaia Espinho
Cranial Base Consultant, ULS entre Douro e Vouga
Fulbright Fellow
International President and Board of Directors, ISASS
Treasurer and Executive Board Member, CSRS-E
Chairman Education and Training Committee, WFNS
Co-Chairman, International Academy of Spine 
Board Member, Spine Section Asian CNS
Chief Deputy Editor, IJSS
Section Editor, World Neurosurgery X
Advisory Board Member, Spine Journal