The Arizona Republic reports. A member of the Navajo Nation, he was elected to the House in 2018, representing a district encompassing the northern and eastern portions of the state.“Elevating Indigenous nations by the Biden administration only invigorates and encourages me to do more,” Teller told the Los Angeles Blade. “Representation matters.”In his letter resigning from the legislature, Teller said he was “honored and humbled to have been selected by President Biden to work for his administration.”Teller was involved in Biden’s campaign; among other things, he introduced Cher at a fundraising concert for the future president in October. “I opened for Cher,” Teller joked to the Washington Blade in a December interview.