Thomas Rivera Schatz aka El Tiburon aka el alemán boricua” (born June 10, 1966) is a Puerto Rican politician, legal advisor, attorney, and former prosecutor, who was the fourteenth, sixteenth and is currently the eighteenth President of the Senate of Puerto Rico.

After finishing his service as a prosecutor, he returned to private practice, handling both criminal and civil cases.

Two years later, party president Pedro Rosselló named Rivera Schatz as secretary general of the PNP in addition to his current position as electoral commissioner.

Rivera Schatz ran for senator at the PNP primaries where he won a slot in the ballot, receiving the second-most votes.

Thomas Rivera Schatz was reelected in 2012 and elected for the third time as a member of the Senate majority in the 2016 election with 10.33% of the "at large" votes, placing him in second place after independent senatorial candidate Dr. José Vargas Vidot and followed by Juan Dalmau of the Puerto Rico Independence Party (PIP).