In the Pilot, we see that former speaker Kelly Geller is the president. She claims that The President died during the Red Flu pandemic and was succeeded by his Vice President who died shortly after. Geller Also died during the pandemic and was eventually succeeded by Jeffrey Michener. When Michener was assassinated he was succeeded by Howard Oliver. In the show it with Canon that Barack Obama president of the United States but in the motion comics there with the fictional president and VP. Either way if we start 44th president of the order would then go the VP who succeeded him(45), Kelly Geller(46),Jeffrey Michener(47), and Howard Oliver(48). in "Fog of War" President Joshua Reiss Was introduced and he would presumably be the 49th President of the United States.