Education Kajtez completed elementary school in
Šajkaš near
Novi Sad. Following basic education, he graduated from the Air Force Gymnasium "Marshal Tito" in
Mostar and later the Air Force Military Academy in Zemunik (
Zadar). He acquired a bachelor's degree in philosophy and sociology from the Faculty of Philosophy in Zadar, while employed, and earned his master's degree in political sociology from the Faculty of Political Sciences in Belgrade with a thesis titled "Nazism and Ustasha – Genealogy of Evil" in 1997. In 2004 he obtained his doctoral degree with a thesis titled "Radicalism and Victims – The Case of the October Revolution: An Anthropological-Political Analysis".
Professional and academic career From 1991. Kajtez has taught philosophy (1991–1998) and sociology (1998–2016). He served as the head of the Foreign Language (2005–2007) and the Department of Social Sciences (2007–2015). He also taught the subject of Doctrines of Non-Violence at the Faculty of Security in
Belgrade (2008–2014). Currently, he is working at the Faculty of International Politics and Security of the university "Union – Nikola Tesla" in Belgrade. He teaches Sociology and Philosophy in undergraduate studies, Doctrines of Non-Violence in master's studies, and Polemology and Irinology in doctoral studies. In addition to monographs, Kajtez publishes philosophical essays, scientific discussions and stories in journals such as ''Javnost, Vojska, Pedagoška Stvarnost, Svarog, Odbrana, Pravoslavlje, Hrišćanska Misao, Studenička Akademija, Večernje Novosti, Pravoslavni Katiheta, Koraci, Politika, Srpska Slavodarska Misao, Tema, Nacionalni Interes, Pečat, Napredak, Nikolai's Studies'', and others. He was declared the best collaborator of the journal Vojni Informator of the year 2003, and the best professor at the Military Academy in 2012. He was a part of the Team for Reforms of the Ministry of Defense in 2004. He is the editor of the electronic library "Philosophy of War and Peace" hosted on the site
Projekat Rastko. He served two terms as a member of the Senate of the University of Defense in Belgrade. He is also a member of the Association of Writers of Serbia. == Selected bibliography ==