He defended his habilitation thesis (1999) at the Institute of Philosophy of the National Academy of Sciences of Ukraine,[2] under the supervision of Professor Oleg Bilyi.
In 2000, Khoma founded Sententiae,[3] the first Ukrainian academic journal specialising in the history of philosophy, of which he remains the editor-in-chief.
Khoma is also a member of the editorial boards of the scientific journals Filosofska dumka (Philosophical thought),[4] and Visnyk of Vinnitsya Technical Institute.
He is the founder and chairman of the Pascal Society, affiliated with the Ukrainian Philosophical Fund, and director of the Renatus Centre for Studies in History of Philosophy.
Khoma also participates in the Ukrainian branch of the international project European Dictionary of Philosophies: A Vocabulary of Untranslatabilities,[8] and is editor-in-chief of its "Epistemology" section.