9/1992 - 7/2006: General Manager of Business Planning, Marketing and Service Development, City Post Office, HCM, Vietnam Post and Telecommunication Corporation.
8/2006 - 9/2007: expert of supporting team for the Steering Committee to establish Telecommunications Corporation Zone 2, Vietnam Posts and Telecommunications Group.
10/2007 - 7/2009: Head of Sales Department, City Telecommunications Company, HCM, Vietnam Post and Telecommunications Group.
8/2011 - 1/2015: Director of Computing and Data Communication Center Region 2, Computing and Data communication Company, VNPT.
2/1017 - Present: Board member, Gerson Lehrman Group.
4/2018 - 4/2020: Deputy General Director of Operations, Sao Bac Dau Technology Joint Stock Company.
4/2020 - 3/2023: General Director, QI Technology Joint Stock Company.
4/2023 - Present: General Director, Sao Bac Dau Telecommunications Services Joint Stock Company.
4/2023 - Present: General Director, Sao Bac Dau Technology Joint Stock Company.