September 1997: Doctor at Hai Phong Psychiatric Hospital
September 2002 - September 2006: Studied Specialist Level I (Spec.I) in Psychiatry - Hanoi Medical University
September 2004: Received Specialist Level I (Spec.I) degree in Traditional Medicine – Hai Phong University of Medicine and Pharmacy
May 2004 - January 2009: Deputy Head of Traditional Medicine Department – Hai Phong Psychiatric Hospital
January 2009 – September 2011: Head of Traditional Medicine Department – Hai Phong Psychiatric Hospital
November 2011 – September 2013: Studied Specialist Level II (Spec.II) in Psychiatry – Hanoi Medical University
September 2012 – 2017: Medical Doctor at National Institute of Mental Health - Bach Mai Hospital
Examination, consultation, and treatment of mental health issues