Christina Markus Lassen

Christina Markus Lassen
Lassen in 2021
Permanent Representative of Denmark to the United Nations
Assumed office
1 September 2023
Monarchs
Prime MinisterMette Frederiksen
Preceded byMartin Bille Hermann
Ambassador of Denmark to the United States
In office
1 September 2022  1 September 2023
MonarchMargrethe II
Prime MinisterMette Frederiksen
Preceded byLone Dencker Wisborg
Succeeded byJesper Møller Sørensen
Personal details
Born (1970-12-17) 17 December 1970
Copenhagen, Denmark
Residence(s)New York City, United States
Alma materCopenhagen Business School
Sorbonne University
American University
Harvard University

Christina Markus Lassen R. (born 17 December 1970) is a Danish diplomat, who has served as the Permanent representative of Denmark to the United Nations since 2023. She previously served as Ambassador of Denmark to the United States and as Under Secretary of State for Foreign Policy at the Ministry of Foreign Affairs.

In her current position as UN Ambassador in New York, Lassen is responsible for working in partnership with Denmark's special representative, Holger K. Nielsen, to advance Denmark's candidacy for a seat in the UN Security Council for the period 2025-2026. Prior to her current appointment, Lassen held diplomatic roles, including Ambassador and Head of the EU Delegation to Lebanon, and Danish Ambassador to Syria and Jordan, during a period of regional instability, including the Arab Spring and specifically the Syrian revolution in 2011.