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