He was also a director of the Bogomoletz Institute of Physiology and the International Center of Molecular Physiology NAS of Ukraine; chair of the Moscow Institute of Physics and Technology, Kyiv branch, vice-president of the NAS of Ukraine, and chairman of the Verkhovna Rada of the Ukrainian SSR.

[3] A native speaker of both Ukrainian and Russian, Kostiuk studied English and German, and graduated from high school when the German–Russian War began in 1941.

After half a year of military medical service, he was demobilized for entry into the Department of Biology at Kyiv University.

[4] In 1960–61, Kostiuk was invited to John Eccles' Laboratory in Canberra, Australia to study the mechanisms of synaptic inhibition in the spinal cord.

Once a year, the Foundation presents Kostiuk Award to outstanding young researchers in the field of biomedical sciences.