European University of Applied Sciences Hamburg Euro-FH, Germany

Karlsruhe Institute of Technology (KIT), Germany

Bolu Abant İzzet Baysal University, Turkey

University of Turin, Italy

Ghana National Gas Limited Company, Ghana

University of Limerick, Ireland

Professor at the Institute of Physical Chemistry, Polish Academy of Sciences , Poland

Stanford University, USA

University of Kansas Medical School, USA

University of  Life Sciences in Lublin, Poland

University of Milano-Bicocca, Italy

Hebrew University of Jerusalem, Israel

Federal University of Maranhão, Brazil

University of Colorado Denver, USA