[1] In 1986, he was admitted as part-time learner in the Ștefan Gheorghiu Academy, the university which trained cadres of the Communist Party of Romania.

[5] In March 2007, Onțanu, who had not been active in the army beyond the mandatory military service, was promoted from being a first-class private to become a reserve colonel by an order of Minister of Defense Sorin Frunzăverde.

[7] According to the CV published on the City Hall site, Onțanu gained in 2007 a PhD from the Leibniz University USA, an obscure unaccredited institution of higher education from the United States.

[8] In 2009, Onțanu defended his PhD thesis titled "The Management of Protecting Critical Infrastructure" at the National Intelligence Academy under the supervision of Gabriel Oprea, a personal friend and leader of UNPR.

[12] On 23 March 2016 Neculai Onţanu was detained by prosecutors for 24 hours, being accused of having received bribes for restitution of 80,000 square meters of land.