Major General Ferenc KAJÁRI was born in 1967 in Budapest, Hungary. Upon graduating from the military secondary school, he joined the Kossuth Lajos Military College of the Hungarian Defence Forces in 1985 and got commissioned as a Second Lieutenant in 1988 with an armoured reconnaissance officer degree and a general engineer degree.
From 1988 until 1996, General Kajári served at Infantry Brigades in different reconnaissance and MI positions as platoon leader, company commander, S2 staff officer and Brigade S2.
In 1996 he was assigned to the Hungarian Engineer Contingent of IFOR and served as an S2 and liaison officer in the staff. Upon finishing his deployment, he was transferred to the Ministry of Defence, where he served in a number of positions, most notably as Aide-de-Camp to the Deputy State Secretary for NATO Integration.
In 1998 he was selected to serve in one of the newly established Partnership for Peace staff positions, and was assigned to the Headquarters of SACLANT, where he served in the PfP staff element until Hungary's NATO accession in 1999. Following this, he served in the Education and Training Department.
Since his return to Hungary in 2001 he has been serving in different staff positions at the J2 Directorate of the Hungarian Defence Forces. In 2001 he enrolled to the National Defence University (Budapest), and in 2004 earned his Master's degree in military leadership.
In 2004 he deployed to Darfur as an EU representative and Military Observer of the African Union Mission in the Sudan (AMIS), where by the second half of his tour he organised the S2 section in his sector and became the sector S2 chief.
In 2007 he deployed to Afghanistan, where he served as the first Hungarian Chief CJ2, ACOS in RC-North of ISAF. Between 2014 and 2015 he attended the General Staff Course of the National University of Public Service, where he earned the "ZRÍNYI Award" of the class of 2015.
In 2016 he was appointed as the director of the Military National Security Service Intelligence Directorate. In 2017 he was promoted to Brigadier General and in 2021 to Major General.
Major General Kajári is married to Veronika, and has a daughter and a son.