Joanna Tibbett

 was vice-president and president of the New California Republic.

Background
Jonna Tibbett was the vice-president for president Tandi, but she became ill and died at 103. Jonna Tibbett was then sworn into office as president. She's then voted out of office in 2253 after 38 NCR citizens are murdered by raiders, and replaced by Wendell Peterson.

Appearances
is only mentioned in Fallout: New Vegas.