Prior to joining Weil, Arthur was an associate at another international law firm in Miami and an attorney (procurador) for the University of São Paulo, in Brazil.
Arthur has also advised on multiple pro bono matters at Weil and elsewhere, focusing on assisting educational institutions and applicants for refugee status in the United States.
Arthur received his J.D. and LL.M. from the University of Michigan Law School, and his LL.B. from the University of the State of Rio de Janeiro. He is a native Portuguese speaker and fluent in Spanish.