Research profile: Circular Economy, Composting, Waste to Energy, Biogas, Recycling, 5R Advanced solutions for environment protection; Application of nano materials, Education: 2002-2004: Post doc study at TU Dresden, Germany 1998 – 2002: PhD Study, Humboldt University in Berlin, Germany; degree “ magna cum laude”. Scholarship of Humboldt University 1992 – 1997: Biotechnology and Food Technology Study (Dipl. Ing.), Humboldt University in Berlin and Technical University Berlin, Germany. Scholarship of Deutsche Akademie fuer Auslandsdienst (DAAD) Recent projects: RENEWABLE: REmoval of NutriEnts in Wastewater treatment via microAlgae and Biofuel/Biomass production for Environmental sustainability in Vietnam; Funded by ARES - Académie de Recherche et d’Enseignement supérieur (Belgium). BIORIST: A joint research project for an innovative process technology for biogas production from rice straw; Funded by BMBF (Germany). SEA-PLASTIC-EDU: South East Asia-Europe Network for building training and education capacities in Plastic Recycling in Laos and Vietnam with emphasis on quality, safety and resource efficiency. Funded by ERASMUS+ Program of the European Union. Partner: University of Natural Resources and Life Sciences, Vienna; Aalborg University; Technische Universität Dresden; VNU University of Science, Hanoi. SAND!: Sand Supply Alternatives and Mitigation of River Dredging Hazards in Vietnam. A joint research project funded by BMBF (Germany).