Personally, I hope he makes it. Don’t be surprised if he doesn’t.
1 Jul: UK Times: Whitehall chief lined up as US envoy
The cabinet secretary who conducted the Huawei leak inquiry is being lined up for a top overseas posting if Boris Johnson becomes prime minister.
Sir Mark Sedwill is said to be considering a role as British ambassador in Washington, with Gavin Williamson likely to return to the cabinet...
***Ministers are said to be tipping Sir Mark to replace Sir Kim Darroch, who has been in post since January 2016 and is due for a move...
https://www.thetimes.co.uk/article/whitehall-chief-lined-up-as-us-envoy-3wfpksxhk