Joanna Tibbett was formerly the vice president and president of the New California Republic.
Joanna Tibbett was the vice-president for President Tandi. When Tandi died in 2248, Tibbett was then sworn into office as president and served the three years of Tandi's term. Joanna Tibbett was then reelected in 2251 but was ejected from office by the congress and senate after a vote of no confidence passed in 2253 for her "timid" response after 38 NCR citizens were murdered by raiders in the Mojave Wasteland. She was replaced by Wendell Peterson.
- Tibbett is the shortest lasting president of the NCR, having only served five consecutive years, taking over the remaining three years from President Tandi's term and serving two years of a term she won in an election.
- Tibbett is one of two presidents to have been replaced while still in office, the other being her successor Wendell Peterson.
- Fallout: New Vegas Official Game Guide Collector's Edition p. 458: Important Dates:
2253: "President Tibbett is removed from office by a vote of no confidence following her "timid" response to the massacre of 38 NCR citizens at the hands of Mojave raiders. Her replacement, President Wendell Peterson, orders three battalions of NCR infantry into the Mojave."