1976: Graduated in Pediatrics from Hanoi University of Medicine
1979: Internship Physician/First Degree Specialist in Pediatrics at Hanoi University of Medicine
1991: Received the Doctorate of Medicine and of Philosophy at Bulgaria Academy of Medicine
1996: Second Degree Specialist in Pediatrics at Hanoi University of Medicine
2002: Recognized as an Associate Professor of Medicine
2016: Recognized as a Professor of Medicine