Thrasivoulos Vlisidis studied in the University of Athens, graduating in 1907.  In 1913 he went to Vienna on a state scholarship, where he studied theoretical and applied Biology.  He taught in the Grand School of Forestry and was later appointed professor of in the University of Thessaloniki. In 1939, he became a full Professor of Biology in the University of Athens and was elected its Provost in 1954.