Tatyana Neshataeva graduated from Perm State University with a degree in law. She began her professional career the same year in the Prosecutor’s Office of the Perm Region. From 1982 to 1985, she pursued postgraduate studies at Lomonosov Moscow State University and defended her Candidate of Sciences dissertation. Between 1985 and 1990, she served as an assistant and associate professor at the Department of State Law and Soviet Governance at Perm State University. From 1990 to 1993, she was a doctoral student at the Moscow State Law Academy, where she defended her doctoral dissertation. In 1995, she was appointed as a judge of the Supreme Commercial Court of the Russian Federation. Starting in 1998, she headed the Sector of International Law and Cooperation, and in 2005, became the supervisor of the International Law and Cooperation Department of the High Court of Arbitration of Russia. From 2012 to 2014, she served as a judge of the Court of the Eurasian Economic Community, and from 2013 to 2014, as its Vice-President. From 2015 to 2023, she was a judge of the Court of the Eurasian Economic Union.

She is the author of 12 monographs and textbooks, and over 200 academic articles.

Holds the highest judicial qualification class and has been awarded the honorary title “Honored Lawyer of the Russian Federation.”

Since 2000, she has chaired the Department of International Law at the Russian State University of Justice.

She is Vice-President of the Russian Association of International Law.

Participated in the drafting of the Hague Convention on Choice of Court Agreements, the Arbitration Procedure Code of the Russian Federation, and the reform of the European Convention on Human Rights and the European Court of Human Rights.

She has received state and departmental awards.