Claim: Peterson Zah (from the Democratic Party) was President of the Navajo Nation (head of government of the Navajo Nation) from Jaunary 15, 1991 to January 10, 1995.
Evidence: Peterson Zah (born December 2, 1937) is an American politician who was the first Navajo President and the last Chairman of the Navajo Nation. The President of the Navajo Nation is the head of government of the Navajo Nation. 1 Peterson Zah Democratic January 15, 1991 January 10, 1995