President Trump nominates Sergio Gor, his longtime aide, as US Ambassador to India and Special Envoy for South Asia, succeeding Eric Garcetti.

Who is Sergio Gor, and what signal does his nomination as ambassador to India send? When is he likely to arrive in India? We explain, in four points.

Trump announced in a social media post on Friday afternoon that he was appointing Gor, who runs the Presidential Personnel Office, to serve as ambassador to India and as special envoy for South and Central Asian affairs.