1997 – General Director of “TM audit” CJSC.

May 2021- President of the Chamber of Auditors and Expert Accountants of the Republic of Armenia (Chairperson of the Board).

Chairman of the Presidium of the Advisory Board of Auditors of the Eurasian Economic Union (from February 2023 to February 2024).

Chairman of the Eurasian Group of Accountants and Auditors (from February 2024)

1997- Founding Member of the Association of Accountants and Auditors of Armenia (АААА). Following this, he has worked as an expert at IFAC (International Federation of Accountants), as Chairperson of the Accounting Commission of the Association of Accountants and Auditors of Armenia (АААА), member of the АААА Board, member of the Interagency Commission on Reforms of Accounting and Auditing Systems of the Republic of Armenia, member of Qualification Commission of Auditors and Accountants.

1998 – He was directly involved in reforms of accounting and auditing systems implemented in the Republic of Armenia, including the translation, editing and localization of IASs, IFRSs, ISAs, developing of laws, accounting plans, financial reporting package, initial accounting documents and other draft legal acts required for introduction of new systems.

Tatul Movsisyan is the author of 19 professional, educational manuals and dozens of articles.

From 1999 – Mr. Tatul Movsisyan conducts lectures at higher educational institutions and professional organizations.

1992-1997- He has worked in large organizations as a financial director and (or) chief accountant.