Ivan Posey is an American politician who is member-elect of the Wyoming House of Representatives from the 33rd district. He defeated incumbent Republican Sarah Penn in the 2024 state house election.^[1] A Democrat hailing from the Wind River Reservation, Posey will be the only Native American or Indigenous member of the 68th Wyoming Legislature.^{[citation needed]}

Posey was born and raised on the Wind River Indian Reservation in Wyoming, and served as Tribal Education Coordinator at Central Wyoming College when he was elected to the state legislature.^[1]

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