Sylvia Steiner works in matters related to International Law, focusing on sanctioning rules for money laundering and terrorist financing, in addition to judicial cooperation and extradition obligations.

Steiner holds a Master’s degree in International Law from FADUSP, was a Judge of the Federal Regional Court of the 3rd Region and Federal Circuit Prosecutor. The former judge was the only Brazilian to join the International Criminal Court. His term ran from 2003 to 2009, but she remained in the agency until 2016, when she concluded the criminal procedures, she was presiding over.