Jonathan Cohen (diplomat)

Jonathan R. Cohen is an American diplomat. He was the acting United States Ambassador to the United Nations from January 1, 2019 to September 10, 2019, replacing Nikki Haley. Before, he was a Deputy Assistant Secretary of State for European and Eurasian Affairs, from August 2016 to June 2018. 
Cohen was nominated by President Donald Trump in early 2018 to become United States Deputy Representative to the United Nations and was unanimously confirmed by the Senate on May 24, 2018. 
On April 11, 2019, President Trump nominated Cohen to be Ambassador of the United States to Egypt.
References.