USA
Larry Barton, University of New Mexico (link)
United Kingdom
Dr Julie Cosmidis, University of Oxford (link)
Germany
Liane Benning, GFZ Potsdam (link)
Michael Kumke, University of Potsdam (link)
Andreas Kappler, University of Tübingen (link)
Helmut Cölfen, University of Konstanz (link)
France
Eric van Hullebusch, IPGP, Paris (link)
Barbara Schoepp-Cothenet, BIP, Marseille (link)
Spain
José Luis Rodríguez Gallego, University of Oviedo (here)
Encarnación Ruiz-Agudo, University of Granada (here)
Mohamed Merroun, University of Granada (link)
Hungary
Mihaly Posfai, University of Pannonia, Veszprem (link)
Belgium
Rob van Houdt, Belgian Nuclear Research Centre, Mol (link)
Poland
Dariusz Bartosik, University of Warsaw (link)
Tomasz Bajda, AGH Krakow (link)
Romania
Alina Maria Holban, University of Bucharest (link)
Geomicrobiology 