Brief description of professional biography: 1997 – graduated from the Zaporizhian Law Institute of the Ministry of Internal Affairs of Ukraine. Obtained the qualification of specialist lawyer. 2004 – graduated from the Odesa National Law Academy. Obtained the qualification of master of law. 2014 – defended a dissertation at the National Academy of Internal Affairs of the Ministry of Internal Affairs of Ukraine for the degree of candidate of legal sciences on the topic: "Administrative and legal regulation of the presiding judge in the judicial administrative process of Ukraine." Obtained the scientific degree of candidate of legal sciences. 2020 – defended a dissertation at the Zaporizhian National University for the degree of Doctor of Law on the topic: "Consideration and resolution in administrative proceedings of cases regarding appeals against decisions, actions and inaction of collegial subjects of public administration." Obtained the scientific degree of Doctor of Legal Sciences. From 1997 to 2005, he worked in the prosecutor's office, the advocacy, and the judiciary. He has been a judge since 2005. Since 2022 – retired judge of the Higher Administrative Court of Ukraine. From 2021 - teaching activity - Kyiv National University of Economics named after Vadym Hetman, National School of Judges of Ukraine. Areas of scientific research:problems of administrative law and process; problems of implementation of international legal norms 5 main publications over the past 5 years: 1. Tsvirkun Y.I. Legal nature and purpose of public administration: a generalized historiographical analysis of doctrinal approaches and its modern understanding. Jurnalul juridic naţional: theory and practice. 2018. No. 4(32). Part 1. P. 57–63. 2. Tsvirkun Y.I. Appealing the decisions, actions or inaction of the Central Election Commission regarding its determination of the results of the elections or the all-Ukrainian referendum according to the new version of the Code of Administrative Procedure of Ukraine. Law of Ukraine. 2018. No. 2. P. 148–163. 3. Tsvirkun Y.I. Appeals in administrative proceedings of decisions, actions and inaction of collegial subjects of public administration: problems of theory and practice: monograph. Kherson: Helvetica Publishing House, 2019. 464 p. 4. Tsvirkun Yu.I. Collegial public administrative subjects in administrative legal proceedings as parties to a case (a plaintiff, a defendant, and the third person). The optimization of protection model for rights and freedoms of Ukrainian person: collective monograph / V.M. Bevzenko, V.A. Bortnyak, K.V. Bortnyak, O. Yu. Busol etc. Lviv; Toruń: Liha-Press, 2019. P. 309–335. 5. Tsvirkun Y.I. The essence of the phenomenon of public legal disputes about challenging decisions, actions or inaction of a collegial subject of public administration. Academic notes of the Tavri National University named after V.I. Vernadskyi. Series "Legal Sciences". 2019. Vol. 30(69). No. 1. P. 69–77. Teaching disciplines:disciplines of the administrative and legal cycle. Certification training: Training for maintaining qualifications according to a standardized program for judges of administrative courts. National School of Judges of Ukraine, Kyiv, December 7-11, 2020 (40 academic hours). The course "Combating the legalization (laundering) of criminal proceeds, the financing of terrorism, and the financing of the proliferation of weapons of mass destruction." State institution of postgraduate education "Academy of Financial Monitoring", Kyiv, 01.20 - 02.05.2021 (66 hours). | 