After the defence of his Master's thesis on the thermal decay of oil-shale, he was elected docent of Organic Chemistry of the University in 1922.

In 1934, he defended, in Zürich, his doctoral thesis on the combining and polymerization reactions of the isolated double bond dienes.

From October 1939 until the Soviet occupation of Estonia on 21 June 1940 Kogerman served as Minister of Public Education.

In 1941 Kogerman, together with his family, was deported by Soviet authorities to the prisoner camp in Sverdlovsk Oblast.

[5] In 1927 Kogerman was decorated with the insignia of the Légion d'honneur and in 1938 with the Second Class of the Order of the White Star.