Fabian is a lawyer and professor of the chair of Constitutional Law at the Universidad Nacional del Sur. He is Director of Provincia Seguros since July 2018 and prevIOusly served as Director of Legal Affairs (2003-2005) and Secretary of Government (2011-2015) of the Municipality of Bahia Blanca. Thus, he also served as a councilor for the Bahia Blanca Party from 2005 to 2011.