During the establishment of the Republic of Estonia, Peter Leoke participated in setting up consulates in 1918 in Helsinki and in 1919 in Riga. He took part in the Estonian War of Independence in the artillery and completed his service in 1921 as the commander of a heavy battery. In the same year, he joined the Ministry of Foreign Affairs as a secretary, and the following year he helped the Estonian envoy Tõnis Vares establish the Estonian embassy in Moscow.[2][3]
Leoke founded the publishing house Areng, which published the magazine Romaan [et]. He was one of the founders of the first private theater studio in Estonia (the director was Paul Sepp) in 1920.[2][3]
In 1924, Leoke settled in New York. He was a member of the board of the Estonian society Edu and from 1926 its chairman. He contributed to the establishment of the weekly newspaper Ameerika Eestlane and was later its managing editor. He was the founder of the Estonian Club of New York and served as its chairman multiple times. He was a board member of the New York Estonian War of Independence Veterans League [et] and later the Veterans Association. He was a member of the editorial board of the monthly magazine Meie Tee.[2][3][4]
In 1941, he settled in California, where he worked in aviation.[2][3] He died in Los Angeles. Peter Leoke is buried in Forest Lawn Memorial Park in Hollywood Hills, Los Angeles.[4][5]
