Formerly an expert in the Department of Accounting Regime and Accounting Inspection, Ministry of Finance (now the Accounting and Auditing Supervisory Department (AASD) - Ministry of Finance), Ms. Trinh Thi Hong was transferred to perform the task of building the foundation for the independent audit in Vietnam, right from the first day of establishment, May 1991. Ms. Trinh Thi Hong participated in construction and engagement and witnessed the development of VACO over the years.

Ms. Hong graduated from the University of Finance and Accounting (now the Academy of Finance) in 1983, and participated in the "Human Resource Management" training course organized by the National University & Swinburne University of Technology, Australia. , auditing training courses organized by PW, KPMG from 1991, 1992 and training courses organized by Deloitte, VACPA from 1993 to present.

In addition, Ms. Hong received CPA Certified, Chief Accountant Certificate, Certificate in securities analysis and investment, Basic certificate in securities and stock market and Certificate in applicable laws in the securities industry.

With a deep knowledge and rich practical experience in financial management, accounting, resource management, internal administration, auditing and tax, Ms. Hong is an experienced expert in organizing and implementing contracts to provide consulting services to develop financial regulations, internal management regulations, salary regulations, participating in many financial report audit contracts and internal system reviews for businesses. She is a member of the Vietnam Association of Certified Public Accountants (VACPA), a member of the Hanoi Association for Women Entrepreneurs (HNEW). She has received many Certificates of Merit from the Minister of Finance and the Party Committee of the Ministry of Finance for her excellent achievements in completing financial tasks over the years.