From August 1992 to October 1995: General Accountant, Deputy Secretary of the Youth Union Branch, Nghe An Coffee and Rubber Trading Company.
From November 1995 to December 1997: Assistant Director and Accountant, Secretary of the Youth Union, Nghe An Friendship Company.
From January 1998 to November 1998: Studied German at the Goethe Institute in Hanoi.
From December 1998 to December 1999: Intern specializing in foreign trade and international economics in the Federal Republic of Germany; Secretary of the Internship Branch of the University of Duisberg under the Party Committee in the Federal Republic of Germany.
From January 2000 to July 2001: Specialist in the Mountainous Region Planning Department, Nghe An Provincial Department of Planning and Investment.
From August 2001 to September 2003: Chief Accountant of the "Community-Based Rural Infrastructure" project - CBRIP, Nghe An Department of Planning and Investment.
From October 2003 to April 2004: Deputy Head of the Office of the Department, concurrently Chief Accountant of the CBRIP project, and Head of the Women's Affairs Committee of the Nghe An Department of Planning and Investment.
From May 2004 to September 2010: Deputy Head of Department, Chief Accountant of the CBRIP project, Member of the Executive Committee of the Trade Union, Head of the Women's Affairs Committee of the Nghe An Department of Planning and Investment; Deputy Head of the Women's Affairs Committee of the Nghe An Civil Servants' Trade Union; Secretary of the Party Cell of the CBRIP Project Management Board (from July 2006 - September 2010).
From October 2010 to August 22, 2011: Party Committee member, Deputy Head of the Industrial and Service Planning Department, Nghe An Department of Planning and Investment; Member of the Trade Union Executive Committee, Deputy Head of the Women's Affairs Committee of the Nghe An Civil Servants' Trade Union.
From August 23, 2011 to October 15, 2013: Party Committee member, Director of the Nghe An Investment Promotion and Development Consulting Center, Vice President of the Trade Union of the Nghe An Department of Planning and Investment; Deputy Head of the Women's Affairs Committee of the Nghe An Civil Servants' Trade Union.
From October 15, 2013 to December 10, 2013: Party Committee member, Director of the Nghe An Investment Promotion and Development Consulting Center, Chairman of the Trade Union of the Nghe An Department of Planning and Investment; Deputy Head of the Women's Affairs Committee of the Nghe An Civil Servants' Trade Union.
From November/December 2013 to October/December 2014: Party Committee Member, Deputy Director of the Nghe An Department of Planning and Investment, Chairman of the Department's Trade Union; Deputy Head of the Women's Affairs Committee of the Nghe An Civil Servants' Trade Union.
From December 11, 2014 to August 10, 2015: Deputy Secretary of the District Party Committee, Chairman of the People's Committee of Quy Hop District.
From August 10, 2015 to September 1, 2015: Secretary of the District Party Committee, Chairman of the People's Committee of Quy Hop District.
From September 1, 2015 to December 14, 2016: Secretary of the Quy Hop District Party Committee; participated in the Provincial Party Committee Executive Board from October 2015; delegate to the Nghe An Provincial People's Council from June 2016.
From December 15, 2016 to June 29, 2019: Member of the Provincial Party Committee, Deputy Head of the Provincial Party Organization Department, and Representative of the Nghe An Provincial People's Council for the 2016-2021 term.
From June 29, 2019 to June 2021: Member of the Standing Committee of the Provincial Party Committee, Secretary of the Party Group, Chairman of the Vietnam Fatherland Front Committee of Nghe An province, term 2019 - 2024; Member of the Central Committee of the Vietnam Fatherland Front; delegate to the Nghe An Provincial People's Council, term 2016 - 2021.
From June 2021 to December 2024: Member of the Standing Committee of the Provincial Party Committee, Secretary of the Party Group, Chairman of the Vietnam Fatherland Front Committee of Nghe An province; Member of the Central Committee of the Vietnam Fatherland Front; Member of the 15th National Assembly; Member of the Nghe An Provincial People's Council for the 2021-2026 term; Member of the National Assembly's Ethnic Council for the 15th term; Member of the Vietnam-Brazil and Venezuela Friendship Parliamentary Group for the 15th term; Member of the Women's Delegates Group of the 15th National Assembly; Chairman of the Women's Delegates Group of the National Assembly and People's Council of Nghe An province, 2021-2026 term.
From January 15, 2025 to March 13, 2025: Member of the Standing Committee of the Provincial Party Committee, Secretary of the Party Group (until February 12, 2025), Chairman of the Vietnam Fatherland Front Committee of Nghe An province; Head of the 15th National Assembly Delegation of Nghe An province; Member of the Central Committee of the Vietnam Fatherland Front; Member of the Nghe An Provincial People's Council for the 2021-2026 term; Member of the National Ethnic Council of the 15th National Assembly; Member of the Vietnam-Brazil and Venezuela Friendship Parliamentary Group of the 15th National Assembly; Member of the Women's Delegation of the 15th National Assembly; Chairman of the Women's Delegation of the National Assembly and People's Council of Nghe An province, 2021-2026 term.
From March 14, 2025: Deputy Secretary of the Provincial Party Committee, Chairman of the Vietnam Fatherland Front Committee of Nghe An province; Head of the 15th National Assembly Delegation of Nghe An province; Member of the Central Committee of the Vietnam Fatherland Front; Member of the Nghe An Provincial People's Council for the 2021-2026 term; Member of the National Ethnic Council of the 15th National Assembly; Member of the Vietnam-Brazil and Venezuela Friendship Parliamentary Group of the 15th National Assembly; Member of the Women's Delegation of the 15th National Assembly; Chairman of the Women's Delegation of the National Assembly and People's Council of Nghe An province, 2021-2026 term.
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