2000 to date: Director, Center for Environmental Research and Education (CERE)

1993-1996: Technical adviser on mangroves for Oxfam UK, SCF UK, DRC.

1990-1993: Maitre de Conferences in Batna University, Algeria.

1986-1995: Deputy Director for Mangrove Ecosystem Research Center (MERC)

1977- to date: Lecturer/senior researcher on ecology in Vietnam National University, Hanoi

●  Qualification:

2000: Ass. Prof. in ecology, Hanoi University of Education

1977: Graduate from Vietnam National University, Hanoi

1979: M.Sc in ecology from Vietnam National University, Hanoi

1986: Ph.D. in ecology from Vietnam National University, Hanoi

 During 1984-2003, attended decades of national and international conferences and workshops in Southeast Asia and in the world