Desai was also the Deputy Battleground States and Pennsylvania Communications Director at the Republican National Committee. In this capacity, he played a key role in messaging and narrative building in the key battleground States in particular Pennsylvania.
Trump won in all the seven battleground States.
The White House announced his appointment on Friday.
White House Office of Communications will be overseen by Deputy White House Chief of Staff and Cabinet Secretary Taylor Budowich.
Trump had previously announced the appointments of Assistant to the President and White House Communications Director Steven Cheung and Assistant to the President and Press Secretary Karoline Leavitt.