In 1984, Dinh Nho Hao joined the Institute of Mathematics, Vietnam Academy of Science and Technology (VAST), as a researcher and then a full professor. Apart from his permanent position at the Institute of Mathematics, he has held many European-based research positions: Research Fellow supported by German Academic Exchange Service (DAAD), Free University of Berlin (West) (1988-1992); Senior Researcher supported by German Research Foundation (DFG), University of Siegen, Germany (1993-1996); Gastprofessor, University of Siegen, Germany (05-07/1996); Professeur invité, INSA-Rouen, Rouen, France (10-11/1996 ; 06-07/1999, 3-6/2001); CNR Research Fellow, Politecnico di Milano, Italy (11/1997-10/1998); Visiting Fellow supported by the Royal Society, The University of Leeds, UK (09-10/1999); Alexander von Humboldt Fellow, University of Frankfurt am Main (1999-2001); Senior Researcher and then Visiting Professor, Free University of Brussels (VUB), Belgium (2001-2004); Marie Curie incoming international fellow, University of Leeds, UK (2011-2013).