U.S. President Joe Biden on Tuesday announced his intention to appoint Marilynn Malerba, lifetime chief of the Mohegan Indian Tribe, as U.S. Treasurer, marking the first time a Native American‘s signature will appear on U.S. currency.U.S. President Joe Biden on Tuesday announced his intention to appoint Marilynn Malerba, lifetime chief of the Mohegan Indian Tribe, as U.S. Treasurer, marking the first time a Native American‘s signature will appear on U.S. currency.