Mr. Nguyen Duc Tien jointed VACO from September 1998, holding the positions of Assistant Auditor, Auditor, Audit Manager, Head of Audit Department and Deputy General Director of the Company since 2009 with systematic professional training at domestic and foreign universities: Bachelor of Accounting at University of Finance and Accounting (now Academy of Finance), Master of Business Administration at Asian Institute of Technology; CPA Certificate and CPA Australia.

With extensive experience in the fields of Auditing, Accounting, Financial and Tax Advisory, Mr. Tien has managed and directed the implementation of audit and consulting contracts for Groups and Corporations, joint stock companies, ODA projects, international projects funded by the World Bank (WB), Asian Development Bank (ADB) and Projects funded by other international organizations for Vietnam. At the same time, Mr. Tien also participates in professional and technical training programs for staff at all levels.

Mr. Chu Manh Hoan joined VACO in 2003, holding the positions of Assistant Auditor, Auditor, Audit Manager, Head of Audit Department, Audit Director and Deputy General Director of the Company since November 2017 with systematic professional training, Bachelor of Accounting at Thuongmai University; Master of Finance at Jean Moulin Lyon 3 University, France; CPA Certificate and CPA Australia.

With extensive experience in the fields of Auditing, Accounting, Financial and Tax Advisory, Mr. Hoan has managed and directed the implementation of audit and consulting contracts for Groups and Corporations, joint stock companies, ODA projects, international projects funded by the World Bank (WB), Asian Development Bank (ADB) and Projects funded by other international organizations for Vietnam. At the same time, Mr. Hoan also participates in professional and technical training programs for staff at all levels.

Ms. Nguyen Phuong Lan joined VACO in 2003, holding the positions of Assistant Auditor, Auditor, Audit Manager, Head of Audit Department, Audit Director and Deputy General Director of the Company since January 2024.

Ms. Lan is a member of the Research and Drafting Committee of 10 Vietnamese Auditing Standards in 2020 in accordance with changes in the system of International Auditing Standards and Vietnam's practice; Member of the Audit Program Development Team to audit corporate financial statements of the Vietnam Association of Certified Public Accountants (VACPA); Member of the Quality Inspection Team of financial statement audit services of the Accounting and Auditing Supervisory Department (AASD) of the Ministry of Finance.

With extensive experience in the fields of Auditing, Accounting, Financial and Tax Advisory, Ms. Lan has managed and directed the implementation of audit and consulting contracts for Groups and Corporations, joint stock companies, ODA projects, international projects funded by the World Bank (WB), Asian Development Bank (ADB) and Projects funded by other international organizations for Vietnam. At the same time, Ms. Lan also participates in professional and technical training programs for staff at all levels.

Ms. Lan has extensive experience in organizing and implementing consulting service contracts to develop financial regulations, internal management regulations, and review internal control systems and converting international financial reports from Vietnamese Accounting Standards (VAS) to International Financial Reporting Standards (IFRS) for businesses.

Mr. Nguyen Ngoc Thach is Deputy General Director of VACO Auditing Company Limited, responsible for audit planning, overall management and supervision of financial statement audits, corporate finance consulting and tax advisory.

Mr. Thach has over 17 years of experience in the fields of accounting, auditing, tax and financial advisory, and corporate risk management. He has received many Certificates of Merit from the Company for many years of dedication and excellent completion of financial tasks over the years.

Mr. Thach has held the positions of Auditor, Senior Audit Manager, Audit Director and Deputy General Director of VACO. As Deputy General Director, he regularly trains and guides staff to perform audits and consult with many different customers. He has also participated in directing and managing audits and consulting for many businesses belonging to economic groups, state corporations, public interest entities, joint stock companies, foreign-invested companies, limited liability companies and projects funded by international organizations and are always trusted and highly appreciated by clients.