Born 1963 in Copenhagen (Denmark), Sten Frimodt Nielsen graduated in law at Københavns Universitet (Copenhagen University, Denmark) in 1988.

He began his professional career working as a civil servant in the Danish Ministry of Foreign Affairs from 1988 to 1991 before being appointed as Embassy Secretary at the Permanent Mission of Denmark to the United Nations in New York (USA), where he worked from 1991 to 1994. Returning to Denmark, he worked initially in the Legal Service of the Danish Ministry of Foreign Affairs from 1994 to 1995 and, subsequently, in the Danish Prime Minister’s Office from 1995 to 1998, serving in the latter role as an adviser and then as a senior adviser.

From 1998 to 2001, he was a Minister Counsellor at the Permanent Representation of Denmark to the European Union. Returning to the Danish Prime Minister’s Office, he was Special Adviser for legal issues from 2001 to 2002, Head of Department and Legal Counsel from 2002 to 2004 and Assistant Secretary of State and Legal Counsel from 2004 to 2007.

Mr Frimodt Nielsen has also been involved in teaching, working as a tutor in international and European law at Københavns Universitet from 1988 to 1991 and later as an external lecturer at that university.

Judge at the General Court from 17 September 2007 to 27 September 2023