He was later sent to a French Protestant private boarding school in Normandy, Ecole des Roches, Seyrig continued his education by reading English at Oxford until 1914.
He then attended the Sorbonne where he presented a thesis about the Homeric House and in 1922 was admitted to the French School at Athens where he spent seven years as a member and was promoted to secretary general's office.
[3] In 1929, Seyrig was called recommended by the master of Levantine archaeology René Dussaud and was appointed General director of antiquities of Syria and Lebanon which were under French mandate.
He moved to New York City in 1942 where he worked as a special envoy of The Free French Government until the end of the war then he returned to Beirut.
In 1967 he left Beirut and retired in Switzerland and continued with his wife, Hermine de Saussure, to spend part of the year in Princeton.