Mr John Kerry’s nomination marks Mr Obama’s first move in a sweeping overhaul of his national security team heading into his second term as President.
Standing alongside Mr Kerry at the White House, Mr Obama said the Vietnam War veteran’s life “has prepared him for this role”.
“He is not going not need a lot of on-the-job training,” Mr Obama said.
“Few individuals know as many presidents and prime ministers or grasp our policies as firmly as John Kerry.”
Mr Kerry is expected to be easily approved for the cabinet post by his longtime congressional colleagues.
The Democratic senator from Massachusetts leapt to the front of Mr Obama’s list for the State Department job after UN Ambassador Susan Rice withdrew her name from consideration last week.
Just who is John Kerry and what does he stand for?
John Kerry’s false testimony before the US Senate about common everyday atrocities committed by US Forces in Vietnam!