Regents Professor of Environmental Engineering, Arizona State University

Center for Microbial Ecology and Technology (CMET), Ghent University

City University of Hong Kong

Boyd Baxter Chair of Biology, University of Dundee

Chair Professor, The University of Hong Kong

CIBNOR, Auburn University,The Bashan Institute of Science, Professor

Gdansk University of Technology

Professor of Research of the CSIC

Georgia Tech

Professor of Environmental Biotechnology, University of Tübingen