2017

• Pr. Petr Nikitin, General Physics Institute, Russian Academy of Sciences, Moscow
• Pr. Thanh, Chair in Nanomaterials , UCL Healthcare Biomagnetic and Nanomaterials Laboratory &  Biophysics Group, Department of Physics & Astronomy  University College London

2015

• Pr. R. Tilley: Director Electron Microscope Unit, University of New South Wales Australia
• Dr. A. Trabolsi: New York University Abu Dhabi

2013

• Dr. P. André: University of Edinbourg Ecosse

2012

• Pr. C. J. Murphy: University of Illinois, USA

2011

• Dr. F. M.  Portela da Gama: University of Minho Portugal

2010

• Pr. N. Pinna: University of Berlin, Germany