September, 1979 – 1985

lecturer of the University of Finance and Accountancy;

1985 – 1986

trainee of the European Faculty at the Ha Noi Foreign Language University;

1986 – 1990

trainee of the Bratislava Economic University, the Slovak Republic

1991 – 1992

lecturer of the Accounting Faculty; the University of Finance and Accountancy;

October, 1992 – April, 1994

Deputy Dean of the Accounting Faculty, Acting Dean of the Accounting Faculty of the University of Finance and Accountancy;

May, 1994 – February, 1999

Dean of the Accounting Faculty of the University of Finance and Accountancy;

March, 1999 – June, 2001

Assistant Principal on training of the University of Finance and Accountancy;

July, 2001 – June, 2006

Vice Chief State Auditor;

July, 2006 – August, 2011

Chief State Auditor;

August, 2011 – December, 2012

Minister of Finance;

December, 2012 – January, 2016

Head of the Party Central Committee's Economic Commission;

January, 2016 – April, 2016

Member of the Politburo, Head of the Member of the Politburo, Head of the the Party Central Committee's Economic Commission;

April, 2016 – February 2020

Member of the Politburo, Deputy Prime Minister, Head of the Steering Committee for the Southwest Region and Deputy to the 14^th NA, from July, 2016.

February, 2020 to March, 2021

Politburo member of the 13^th Party Central Committee, Secretary of the Hanoi Municipal Party Committee, Secretary of the Party Committee of the Hanoi Capital High Command, Head of Hanoi’s 14^th NA delegation.

March 31, 2021

Elected as Chairman of the NA of Vietnam at the 11^th session of the 14^th legislature.