• Vice Dean, School of Mechanical Engineering, Hanoi University of Science and Technology (2 years)
• Lecturer, Department of Material Cutting and Industrial Instruments, School of Mechanical Engineering (14 years)
• Job training specialist: Vietnam Productivity Institute (VNPI) Japan Productivity Center (JPC) Continuous Improvement Consulting Company (CiCC) (4 years)
• Production Manager, 190 Furniture Company Limited (1 year)