Prior to joining Weil, Guilherme worked at another global law firm, where he defended securities litigation and government investigations on behalf of companies in a variety of industries, including financial services, retail, and transportation. Some of his prior experience involved:*
- Obtaining dismissal of a putative securities fraud class action on behalf of a major retailer’s CEO.
- Obtaining dismissal of all scienter-based charges for a global mining company in litigation against the SEC.
- Representing a Latin American conglomerate in securities fraud litigation stemming from allegations of corruption.
His pro bono practice focuses on impact litigation and international human rights. Among other matters, he has obtained asylum for a survivor of the civil war in Sierra Leone, represented a person with intellectual disabilities on death row in Tanzania, and litigated against the NYPD for its illegal use of sealed arrest records.
Guilherme received his J.D. from the University of California, Berkeley, School of Law. During law school, he served on the Berkeley Journal of International Law, and interned for the Honorable Jon S. Tigar of the U.S. District Court for the Northern District of California. Guilherme earned his B.A. in Political Science from the University of Chicago.
* includes matters handled prior to joining Weil.