Tsinnie began making jewelry in 1973, learning from his
Hopi brother-in-law, Horace Emerson. He also used a hallmark that was an image of the Shiprock rock formation. and at the
Heard Museum.
Honors and collections Tsinnie was awarded with the Lifetime Achievement Award from the
Indian Arts and Crafts Association in 1999; In 1986 he won first place in the 37th Navajo Craftsman Exhibition that was held at the
Museum of Northern Arizona. Several pieces of his work are held in the permanent collection of the
National Museum of the American Indian of the
Smithsonian Institution.
Advocacy During his lifetime he advocated for the rights of his people, particularly focusing on the needs of the Navajo people, public health, education, employment and the
Bureau of Indian Affairs. Tsinnie also worked for many years for the Navajo Nation as an administrator. ==Personal life==