Dan Driscoll, recently confirmed as Army Secretary and known for his role in the Trump administration, has rapidly advanced as a central figure working on a Ukraine-Russia peace settlement.Driscoll traveled to Kyiv to present a joint U.S.-Russia peace plan to Volodymyr Zelensky and Denys Shmyhal, reaching agreement on key terms after a week of multilateral talks involving Marco Rubio.Driscoll, backed by his connections to Donald Trump and JD Vance, continues diplomatic talks with Russia while expanding his influence in national defense circles and military technology.