[3][4][5] Suriya presented his letters of credence to UN Secretary-General António Guterres on December 6, 2021.
[3] In March 2022, Suriya condemned Russia's invasion of Ukraine in a United Nations General Assembly vote.
[6][7] On October 12, Suriya abstained from a later vote condemning Russian elections in occupied Ukrainian territories.
[8][9][10] In June 2023, he delivered a speech before a UN vote advocating for a peaceful end to the war in Ukraine.
[11] Suriya presented his letters of credence to President Joe Biden on June 17, 2024.