Thomas Rainwater is the chairman of the Confederated Tribes of Broken Rock and leader of the Broken Rock Indian Reservation.
Rainwater was raised to be of Mexican descent by his adopted family. When he was 18 he obtained his adoption records and discovered he was Native American.
Thomas attended Harvard and eventually graduated with a Masters of Business Administration. After obtaining his MBA he went to work in Public Relations, doing work for the American Petroleum Institute. Rainwater then went to work for the brokerage firm Merrill Lynch.
Thomas Rainwater is played by the award-winning actor Gil Birmingham.