Doctor of Philosophy, Moscow State University, Russia, 1968. Doctor of Science, Moscow State University, Russia, 1983.
Head Department Numerical Analysis, Hanoi, 1990—1998. Senior associate Center for Theoretical Physics, Italy, 1992—1997. Invited professor Chancelier Des Universités de France, Arrété, 1995.
General director International Conference ICAAA, Hanoi, 2002, Inter Conex Summer School ICAAA, Hanoi, 2005.
President Vietnamese Society at Moscow State University, 1966—1967, 10 National Committee on Doctor of Philosophy degree. Member 3 National Committee on Doctor of Science degree. Member of American Mathematics Society, Vietnamese Society Mathematicians.
Married Le Kim Thanh, January 10, 1962. 1 child Tri Nguyen Minh.