Hai was born in a small province in the North of Vietnam. He then moved to the capital, Hanoi, to study at the University of Pharmacy. After graduating in 2011, he worked as a medical representative in the cardiology area for AstraZeneca Ltd and two years later transferred to Oncology for Hoffmann La Roche Ltd.
With the desire to do more meaningful work for the community, he joined Angels team in 2018 in charge of the North Vietnam.
From the first day with Angels, he has always found meaning and joy in his work, day by day making a small contribution to save more stroke patients’ lives.