Mr. Nam has held many management positions such as: Chief Representative of Marimetex Office (Singapore) in Ho Chi Minh City; Director of Cat Lai Joint Stock Company, Head of Project Group of PetroVietnam Finance Company; Member of the Supervisory Board of Nghe Tinh Port Company, Deputy Director of Nam Viet and Lien Danh Co., Ltd. Since June 2020, Mr. Nam joined the Board of Directors of Tin Nghia Corporation in the first term (2016-2021) and he was re-elected as BOD member for the second term (2021-2026).