Professor for Aquatic Microbial Ecology and Biodiversity, Potsdam University

Professor of Biology, Mt. Allison University

Professor, Universidade Federal da Bahia

Jiangxi Agricultural University (江西农业大学)

Researcher, lead specialist

Professor of Mycology, Assiut University, Botany and Microbiology Department

Professor

Instituto de Limnología "Dr. Raúl A. Ringuelet", CONICET-UNLP

Botany and Microbiology, Faculty of Science, New Valley University

+ Assistant Professor, Khalsa College