Anastasios (Tassos) Bountis, University of Patras, Greece.
Jürgen Kurths, Potsdam Institute for Climate Impact Research and Humboldt-Universität zu Berlin, Germany.
Ying-Cheng Lai, Arizona State University, USA.
Albert Luo, Southern Illinois University Edwardsville, USA.
Bimal Kumar Mishra, Vinoba Bhave University, India.
Angela Slavova, Bulgarian Academy of Sciences, Sofia, Bulgaria.