Professor Bruntseva is an author, researcher and lecturer in international commercial arbitration and Russian law. Since graduating from law school with honors, she has simultaneously taught and practiced law. She was a co-founder of one of the first private law practices in Alma-Ata, Kazakhstan. Also in 1988, she began teaching law at the Kazakh State University School of Law. As Assistant Professor in the Civil Law Department, Professor Bruntseva taught courses in Civil Law, Business Law, Contracts, Torts, Housing Law, Family Law and Copyright.

In 1991, Professor Bruntseva moved to St. Petersburg, Russia. She became in-house counsel, and latter Chief Counsel, in the music publishing field where her work involved copyright issues and general business law. She also was a solo practitioner as she consulted clients, conducted trials and negotiations, drafted documents within the scope of copyright law and general business law and represented numerous Russian, foreign and international not-for-profit and religious organizations as well as others. In addition to her practice of law, Ms. Bruntseva became Professor of Law at the St. Petersburg Institute of Law in 1994. There, and at the St. Petersburg Juridical Institute, she taught courses in Civil Law, International Commercial Arbitration, Lawyering, Contract Drafting and Negotiations, and Introduction to Legal Profession and Legal Professional Education. During this time, in 1996/1997, she went to the Yale Law School where she earned the LL.M. (Master of Laws) Degree and then resumed her practice and teaching positions.

In 1999, Professor Bruntseva was awarded a fellowship by the Soros Foundation Open Society Institute to write a comprehensive Russian language textbook on international commercial arbitration. The book was published in April 2002 in St. Petersburg, Russia.

International Commercial Arbitration. Textbook for Russian law schools. Sentyabr Publishers, St. Petersburg, 2001 (368 pages). Intellectual Property in Radio and TV. Law and Media Center. Moscow, 1998 (co-author with Eduard Gavrilov and Peter Krug). An American Licensing Agreement from the Russian Lawyer's Point of View. Post-Soviet Media Law and Policy, 1997, N. 7. New Laws and Regulations for Noncommercial Organizations in Russia. International Center for Not-for-Profit Law, Washington, DC, 1996 (co-author with Jamila Amodeo and Karla Simon). Contracts in Practice of US Publishers. Peterbook, 1996, N. 6. Contracts in Practice of British Publishers. Peterbook. 1996, N. 11. The Legislation on the Small Enterprises in Russia and its North-West Region. Codex-Info. 1995, N. 44, 45. The History of the Soviet Joint-Stock Companies (1920's). Proceedings of the Academy of Science of Kazakhstan. 1991, N. 2. The Legal Status of Small Enterprises. MZhK. Alma-Ata, 1990 (co-author with Dmitry Kirdiashkin and Olga Chentsova). Writing the Perfect Contracts. MZhK. Alma-Ata, 1990 (co-author with Dmitry Kirdiashkin and Olga Chentsova).