The GREAT Members work in different centers in the following countries:

Argentina, Australia, Austria, Belgium, Belarus, Brazil, Czech Republic, Denmark, Egypt, Finland, France, Germany, India, Ireland, Italy, Japan, Kenya, Lebanon, Lithuania, Luxembourg, The Netherlands, New Zealand, Norway, P.R. of China, Poland, Portugal, Republic of Serbia, Romania, Russia, Singapore, South Africa, South Korea, Spain, Sweden, Switzerland, Tunisia, Turkey, United Kingdom, United States of America, Uzbekistan.