The 39-year-old secretary of the Army has been propelled in a matter of days to the forefront of negotiations for the peace plan advocated by Donald Trump. A veteran of the Iraq War and close to US Vice President JD Vance, he built a career in finance before joining the Trump administration.

Army secretary Daniel Driscoll presented a Russian wishlist, highlighting differences with the administration

The youngest-ever US army secretary has been thrust into the spotlight as the face of renewed efforts to end the years-long war.