Tetsuo Ida
University of Tsukuba, Japan

William Langdon
University College London, UK

Gheorghe Paun
Institute of Mathematics of the Romanian Academy, Bucharest, Romania

Viorica Sofronie-Stokkermans
University Koblenz-Landau, Germany

Stefan Takacs
TU Chemnitz, Germany

Stephen Watt
University of Western Ontario, Canada