Gabrielius Landsbergis was foreign minister of Lithuania from 2020 to 2024, during which time he also held the position of president of the Committee of Ministers of the Council of Europe. He ensured while in office that Lithuania became known globally as a standard-bearer in the fight for freedom and rule of law by providing significant support to Ukraine and by supporting initiatives to secure freedom in Georgia, Moldova, Taiwan, and elsewhere.

Prior to and concurrent with his service as foreign minister, Landsbergis served two terms in the Lithuanian parliament, the Seimas. He is also a former member of the European Parliament and the former chairman of his center-right party, the Homeland Union.  

Since leaving politics and diplomacy in 2024, Landsbergis has been working on publishing his diaries. They are due to be released in 2025.