Aleksandras Stulginskis was born in Kutaliai village, Kaltinėnai rural district of Raseiniai county, on 26 February 1885, as the twelfth child of the family.
Following graduation from Kaltinėnai People's School, he worked for a year as an assistant to a clerk of Kaltinėnai rural district. In 1904, Aleksandras Stulginskis completed four grades at Liepaja Gymnasium (Latvia); in 1908 graduated from the Samogitian Diocesan Seminary in Kaunas and followed with a year at the Faculty of Theological Philosophy at Innsbruck (Austria) University. Stulginskis did not take his priestly vows, though; instead, he entered the Institute of Agriculture in Halle (Germany), graduating in 1913.
On return to Lithuania, Stulginskis worked as a district agronomist in Alytus, Trakai county.
At the outbreak of the First World War, Stulginskis moved to Vilnius and worked for the Lithuanian Relief Society to help victims of the war. At the same time he was also acting as one of the Society's leaders in Vilnius, taught natural sciences at the Lithuanian Gymnasium, and organized training courses for Lithuanian teachers.
On 18-22 September 1917, Aleksandras Stulginskis attended the Lithuanian Conference in Vilnius and was elected to the Council of Lithuania (later Council of the State). He was among the signatories of the Declaration of Independence of Lithuania on 16 February 1918, and the head of the Council of the State's Commission for the return of deportees and prisoners.
From 26 December 1918 to 12 March 1919 Aleksandras Stulginskis served as Minister without Portfolio in the 2nd Cabinet of Mykolas Sleževičius; from 12 March 1919 to 12 April 1919 as Deputy Prime Minister, Minister for Internal Affairs and Minister for Food and Public Works in the 3rd Cabinet of Pranas Dovydaitis; and from 12 April 1919 to 7 October 1919 as Minister of Agriculture and National Assets in the 4th Cabinet of Mykolas Sleževičius.
He was among the founders of the Ūkio Bank (Economy Bank) in 1919.
Aleksandras Stulginskis was a Member, Chairman and Acting President of the Constituent Seimas. He was elected President of the Republic of Lithuania by the 1st Seimas (1922), re-elected by the 2nd Seimas (June 1923 to June 1926). From 17 December 1926 through to April 1927 he was the Chairman of the 3rd Seimas.
After withdrawal from political life in 1927, Aleksandras Stulginskis worked at his estate of Jokūbavas in Kretinga rural district; in 1929-1941 he headed Paulius Dogelis production farm, was a board member of Lietūkis and Linas cooperatives.
On 13 June 1941, Aleksandras Stulginskis was arrested by the Soviet authorities and deported to the Krasnoyarsk region in Siberia, Reshyoty labour camp. In 1952 he was sentenced to 25 years of prison.Following the release after 2 years, he worked as stockman in the Komi Autonomous Republic, warden at the Kvitkevoso forestry farm and agronomist at the Pezmag Soviet farm. Aleksandras Stulginskis returned to Lithuania in 1956, and worked as a senior fellow at Vytėnai olericulture research station from 1957 to 1959. He was one of the founders of the Lithuanian Christian Democratic Party, Chairman of the Party Centre Committee, founder and chairman of the Farmers Union.
Aleksandras Stulginskis worked as editor of "Viensėdis" (Steading) and "Ūkininkas" (Farmer); he died on 22 September 1969 in Kaunas.
(Algirdas Banevičius. 111 Lietuvos valstybės 1918-1940 politikos veikėjų. 1991 Liudas Truska, Algimantas Lileikis, Gediminas Ilgūnas, Rimgaudas Geleževičius. Lietuvos prezidentai. Vilnius 1995)